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Ton-y-pistyll 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Ton-y-pistyll

Caerffili (Caerphilly), United Kingdom

Long range weather outlook for Ton-y-pistyll includes 14 day forecast summary:

Taking a look at Ton-y-pistyll over the coming two weeks and the average daytime maximum temperature will be around 16°C, with a high for the two weeks of 18°C expected on the afternoon of Wednesday 19th. The average minimum temperature will be 9°C, dipping to its lowest on the morning of Monday 24th at 5°C. The next 14 days will have some days seeing a little precipitation and some days with rain. The current forecast indicates Thursday 20th will have the most precipitation with an accumulation of around 56.0mm. On the whole winds are likely to be moderate. The forecast suggests the strongest wind will be on the morning of Sunday 23rd, coming from a south westerly direction, and reaching around 40mph.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Tue 18
Sep		18:00

SW
SW

 17 / 25 mph 63 / 63°F 89% 1009 mb
Low level cloud: 74%
Mid level cloud: 43%
High level cloud: 4%
Most Significant Cloud Type: low
89%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
21:00

SW
SW

 19 / 27 mph 61 / 61°F 90% 1010 mb
Low level cloud: 83%
Mid level cloud: 71%
High level cloud: 25%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
Wed 19
Sep		00:00

SW
SW

 16 / 25 mph 59 / 55°F 93% 1010 mb
Low level cloud: 75%
Mid level cloud: 18%
High level cloud: 10%
Most Significant Cloud Type: low
82%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
03:00

SW
SW

 13 / 21 mph 57 / 54°F 94% 1010 mb
Low level cloud: 61%
Mid level cloud: 8%
High level cloud: 16%
Most Significant Cloud Type: low
65%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

SSW
SSW

 18 / 28 mph 57 / 53°F 92% 1009 mb
Low level cloud: 67%
Mid level cloud: 6%
High level cloud: 31%
Most Significant Cloud Type: low
73%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

SW
SW

 23 / 34 mph 61 / 60°F 86% 1009 mb
Low level cloud: 64%
Mid level cloud: 8%
High level cloud: 53%
Most Significant Cloud Type: low
73%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
12:00

SW
SW

 28 / 37 mph 65 / 64°F 77% 1009 mb
Low level cloud: 60%
Mid level cloud: 30%
High level cloud: 87%
Most Significant Cloud Type: low
80%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
15:00

WSW
WSW

 24 / 36 mph 60 / 60°F 88% 1010 mb
Low level cloud: 89%
Mid level cloud: 71%
High level cloud: 50%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
18:00

WSW
WSW

 17 / 27 mph 55 / 51°F 77% 1012 mb
Low level cloud: 21%
Mid level cloud: 15%
High level cloud: 88%
Most Significant Cloud Type: low
36%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

WSW
WSW

 11 / 18 mph 53 / 49°F 79% 1014 mb
Low level cloud: 13%
Mid level cloud: 23%
High level cloud: 85%
Most Significant Cloud Type: low
31%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Thu 20
Sep		00:00

SSW
SSW

 8 / 13 mph 53 / 51°F 86% 1013 mb
Low level cloud: 90%
Mid level cloud: 70%
High level cloud: 87%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
03:00

SW
SW

 9 / 15 mph 56 / 54°F 96% 1011 mb
Low level cloud: 90%
Mid level cloud: 72%
High level cloud: 96%
Most Significant Cloud Type: low
100%
Expect 0.18 In of precipitation over the past 3 hours.
0.18 In
06:00

SW
SW

 8 / 12 mph 57 / 55°F 96% 1011 mb
Low level cloud: 92%
Mid level cloud: 59%
High level cloud: 94%
Most Significant Cloud Type: low
100%
Expect 0.08 In of precipitation over the past 3 hours.
0.08 In
09:00

SSW
SSW

 7 / 11 mph 57 / 56°F 97% 1011 mb
Low level cloud: 91%
Mid level cloud: 79%
High level cloud: 99%
Most Significant Cloud Type: low
100%
Expect 0.24 In of precipitation over the past 3 hours.
0.24 In
12:00

SSW
SSW

 12 / 20 mph 60 / 60°F 96% 1009 mb
Low level cloud: 90%
Mid level cloud: 84%
High level cloud: 99%
Most Significant Cloud Type: low
100%
Expect 0.21 In of precipitation over the past 3 hours.
0.21 In
15:00

SSW
SSW

 17 / 27 mph 61 / 60°F 95% 1006 mb
Low level cloud: 93%
Mid level cloud: 79%
High level cloud: 85%
Most Significant Cloud Type: low
100%
Expect 0.68 In of precipitation over the past 3 hours.
0.68 In
18:00

S
S

 23 / 35 mph 60 / 60°F 93% 1002 mb
Low level cloud: 68%
Mid level cloud: 97%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.23 In of precipitation over the past 3 hours.
0.23 In
21:00

SW
SW

 28 / 44 mph 61 / 61°F 93% 998 mb
Low level cloud: 95%
Mid level cloud: 76%
High level cloud: 89%
Most Significant Cloud Type: low
100%
Expect 0.56 In of precipitation over the past 3 hours.
0.56 In
Fri 21
Sep		00:00

WSW
WSW

 28 / 42 mph 58 / 53°F 90% 997 mb
Low level cloud: 90%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
92%
Expect 0.07 In of precipitation over the past 3 hours.
0.07 In
03:00

WNW
WNW

 17 / 26 mph 47 / 40°F 88% 1002 mb
Low level cloud: 63%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
67%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

WNW
WNW

 17 / 28 mph 45 / 38°F 84% 1006 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

W
W

 22 / 29 mph 51 / 44°F 71% 1008 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

W
W

 24 / 29 mph 54 / 48°F 62% 1011 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

W
W

 23 / 31 mph 54 / 48°F 65% 1013 mb
Low level cloud: 9%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
11%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

W
W

 15 / 26 mph 51 / 45°F 74% 1015 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

W
W

 13 / 20 mph 50 / 46°F 74% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sat 22
Sep		00:00

W
W

 10 / 18 mph 48 / 44°F 78% 1020 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 59%
Most Significant Cloud Type: medium
9%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

W
W

 9 / 17 mph 47 / 42°F 81% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 89%
Most Significant Cloud Type: high
89%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

W
W

 7 / 14 mph 46 / 43°F 79% 1021 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 94%
Most Significant Cloud Type: medium
15%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

WSW
WSW

 8 / 10 mph 54 / 51°F 71% 1022 mb
Low level cloud: 7%
Mid level cloud: 44%
High level cloud: 33%
Most Significant Cloud Type: medium
64%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

SW
SW

 9 / 10 mph 57 / 55°F 68% 1021 mb
Low level cloud: 26%
Mid level cloud: 77%
High level cloud: 74%
Most Significant Cloud Type: medium
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

SW
SW

 7 / 10 mph 54 / 51°F 85% 1019 mb
Low level cloud: 18%
Mid level cloud: 79%
High level cloud: 24%
Most Significant Cloud Type: medium
100%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
18:00

SSE
SSE

 9 / 12 mph 50 / 47°F 95% 1017 mb
Low level cloud: 96%
Mid level cloud: 99%
High level cloud: 97%
Most Significant Cloud Type: low
100%
Expect 0.26 In of precipitation over the past 3 hours.
0.26 In
21:00

SSE
SSE

 21 / 31 mph 51 / 44°F 95% 1010 mb
Low level cloud: 95%
Mid level cloud: 99%
High level cloud: 74%
Most Significant Cloud Type: low
100%
Expect 0.57 In of precipitation over the past 3 hours.
0.57 In
Sun 23
Sep		00:00

SSW
SSW

 17 / 30 mph 60 / 60°F 98% 999 mb
Low level cloud: 100%
Mid level cloud: 99%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.60 In of precipitation over the past 3 hours.
0.60 In
03:00

SW
SW

 32 / 50 mph 62 / 62°F 93% 993 mb
Low level cloud: 90%
Mid level cloud: 46%
High level cloud: 14%
Most Significant Cloud Type: low
100%
Expect 0.07 In of precipitation over the past 3 hours.
0.07 In
06:00

SW
SW

 40 / 60 mph 55 / 49°F 84% 983 mb
Low level cloud: 90%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.06 In of precipitation over the past 3 hours.
0.06 In
09:00

W
W

 33 / 48 mph 55 / 49°F 89% 982 mb
Low level cloud: 87%
Mid level cloud: 67%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.05 In of precipitation over the past 3 hours.
0.05 In
12:00

NW
NW

 38 / 57 mph 51 / 43°F 81% 990 mb
Low level cloud: 87%
Mid level cloud: 67%
High level cloud: 66%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
15:00

NNW
NNW

 38 / 51 mph 51 / 42°F 70% 1004 mb
Low level cloud: 80%
Mid level cloud: 72%
High level cloud: 5%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

NNW
NNW

 22 / 34 mph 49 / 41°F 68% 1015 mb
Low level cloud: 22%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
31%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

NW
NW

 15 / 28 mph 46 / 39°F 64% 1022 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Mon 24
Sep		00:00

NW
NW

 13 / 21 mph 46 / 40°F 66% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

NNW
NNW

 13 / 22 mph 44 / 37°F 68% 1029 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

NNW
NNW

 11 / 20 mph 42 / 36°F 73% 1032 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: high
5%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

N
N

 16 / 21 mph 49 / 42°F 65% 1035 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

N
N

 10 / 12 mph 54 / 50°F 57% 1036 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 20%
Most Significant Cloud Type: high
19%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

NW
NW

 7 / 9 mph 55 / 53°F 59% 1035 mb
Low level cloud: 18%
Mid level cloud: 9%
High level cloud: 6%
Most Significant Cloud Type: low
21%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

NW
NW

 8 / 12 mph 51 / 47°F 80% 1036 mb
Low level cloud: 14%
Mid level cloud: 10%
High level cloud: 6%
Most Significant Cloud Type: low
18%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

NW
NW

 6 / 11 mph 45 / 42°F 88% 1037 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 4%
Most Significant Cloud Type: medium
19%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Tue 25
Sep		00:00

NNW
NNW

 6 / 9 mph 45 / 42°F 87% 1036 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 34%
Most Significant Cloud Type: medium
7%
0.00 In
06:00

NNE
NNE

 6 / 10 mph 41 / 38°F 83% 1040 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 71%
Most Significant Cloud Type: medium
8%
0.00 In
12:00

E
E

 9 / 11 mph 56 / 53°F 58% 1037 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
18:00

W
W

 7 / 8 mph 62 / 62°F 87% 1031 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 7%
Most Significant Cloud Type: medium
24%
0.00 In
Wed 26
Sep		00:00

WSW
WSW

 16 / 23 mph 59 / 59°F 96% 1021 mb
Low level cloud: 91%
Mid level cloud: 61%
High level cloud: 50%
Most Significant Cloud Type: low
100%
0.15 In
06:00

NE
NE

 4 / 6 mph 54 / 53°F 96% 1028 mb
Low level cloud: 89%
Mid level cloud: 33%
High level cloud: 8%
Most Significant Cloud Type: low
100%
0.00 In
12:00

SSE
SSE

 5 / 6 mph 64 / 64°F 63% 1030 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.00 In
18:00

ENE
ENE

 2 / 2 mph 64 / 64°F 77% 1033 mb
Low level cloud: 3%
Mid level cloud: 4%
High level cloud: 3%
Most Significant Cloud Type: low
4%
0.00 In
Thu 27
Sep		00:00

NE
NE

 5 / 8 mph 51 / 49°F 83% 1033 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
06:00

NE
NE

 4 / 5 mph 48 / 47°F 90% 1035 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 21%
Most Significant Cloud Type: high
20%
0.00 In
12:00

SE
SE

 8 / 9 mph 61 / 61°F 75% 1033 mb
Low level cloud: 53%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
54%
0.00 In
18:00

NE
NE

 5 / 6 mph 60 / 60°F 75% 1034 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 2%
Most Significant Cloud Type: medium
11%
0.00 In
Fri 28
Sep		00:00

ESE
ESE

 9 / 12 mph 53 / 50°F 90% 1031 mb
Low level cloud: 3%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: low
3%
0.00 In
06:00

NE
NE

 5 / 9 mph 50 / 48°F 88% 1035 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
0.00 In
12:00

SE
SE

 17 / 19 mph 66 / 66°F 69% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
18:00

NE
NE

 5 / 7 mph 63 / 63°F 84% 1035 mb
Low level cloud: 38%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
40%
0.00 In
Sat 29
Sep		00:00

SE
SE

 13 / 24 mph 49 / 44°F 83% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
06:00

NE
NE

 7 / 12 mph 53 / 51°F 96% 1035 mb
Low level cloud: 38%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
38%
0.00 In
12:00

SSE
SSE

 16 / 19 mph 59 / 59°F 66% 1009 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 40%
Most Significant Cloud Type: medium
19%
0.00 In
18:00

NE
NE

 7 / 11 mph 64 / 64°F 82% 1034 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 32%
Most Significant Cloud Type: high
31%
0.00 In
Sun 30
Sep		00:00

SE
SE

 14 / 23 mph 49 / 44°F 91% 1002 mb
Low level cloud: 50%
Mid level cloud: 49%
High level cloud: 76%
Most Significant Cloud Type: low
76%
0.09 In
06:00

NE
NE

 7 / 14 mph 50 / 47°F 91% 1033 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
12:00

W
W

 7 / 9 mph 57 / 56°F 88% 996 mb
Low level cloud: 22%
Mid level cloud: 59%
High level cloud: 76%
Most Significant Cloud Type: low
52%
0.43 In
18:00

NE
NE

 9 / 15 mph 59 / 59°F 81% 1032 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
0%
0.00 In
Mon 01
Oct		00:00

SSW
SSW

 9 / 16 mph 49 / 46°F 92% 997 mb
Low level cloud: 28%
Mid level cloud: 14%
High level cloud: 12%
Most Significant Cloud Type: low
34%
0.02 In
06:00

NE
NE

 11 / 17 mph 49 / 45°F 96% 1032 mb
Low level cloud: 69%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
71%
0.00 In
12:00

WSW
WSW

 16 / 23 mph 54 / 50°F 75% 1000 mb
Low level cloud: 11%
Mid level cloud: 45%
High level cloud: 2%
Most Significant Cloud Type: medium
74%
0.04 In
18:00

NE
NE

 9 / 13 mph 57 / 55°F 88% 1031 mb
Low level cloud: 21%
Mid level cloud: 3%
High level cloud: 6%
Most Significant Cloud Type: low
22%
0.00 In
Tue 02
Oct		00:00

WSW
WSW

 8 / 13 mph 49 / 45°F 89% 1002 mb
Low level cloud: 2%
Mid level cloud: 48%
High level cloud: 3%
Most Significant Cloud Type: medium
52%
0.14 In
06:00

NE
NE

 10 / 17 mph 48 / 44°F 95% 1030 mb
Low level cloud: 58%
Mid level cloud: 6%
High level cloud: 4%
Most Significant Cloud Type: low
60%
0.00 In
12:00

WNW
WNW

 22 / 39 mph 49 / 42°F 73% 1011 mb
Low level cloud: 22%
Mid level cloud: 17%
High level cloud: 19%
Most Significant Cloud Type: low
29%
0.11 In
18:00

NE
NE

 8 / 13 mph 56 / 55°F 90% 1029 mb
Low level cloud: 45%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
46%
0.00 In
Wed 03
Oct		00:00

WNW
WNW

 10 / 19 mph 46 / 41°F 77% 1023 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 34%
Most Significant Cloud Type: medium
23%
0.00 In
06:00

NE
NE

 7 / 13 mph 51 / 48°F 96% 1027 mb
Low level cloud: 45%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
45%
0.00 In
12:00

SSE
SSE

 11 / 15 mph 49 / 44°F 92% 1023 mb
Low level cloud: 84%
Mid level cloud: 91%
High level cloud: 37%
Most Significant Cloud Type: low
100%
0.17 In
18:00

ENE
ENE

 4 / 6 mph 61 / 62°F 82% 1025 mb
Low level cloud: 33%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
32%
0.00 In

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure