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Leaght 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Leaght

Donegal, Ireland

Long range weather outlook for Leaght includes 14 day forecast summary:

The forecast for Leaght in the coming two weeks is predicting the average daytime maximum temperature will be around 15°C, with a high for the two weeks of 17°C expected on the afternoon of Saturday 4th. The mean minimum temperature will be 8°C, dipping to its lowest on the morning of Sunday 12th at 4°C. The coming 14 days will have some days seeing a little precipitation and some days with rain. Predictions are Sunday 5th will have the most precipitation with an accumulation of around 11.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 02
Jul
15:00

NW
NW

6 / 7 mph 62 / 59°F 65% 1012 mb
Low level cloud: 64%
Mid level cloud: 0%
High level cloud: 95%
Most Significant Cloud Type: low
74%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

WSW
WSW

7 / 8 mph 59 / 56°F 71% 1012 mb
Low level cloud: 9%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
74%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

SSE
SSE

4 / 6 mph 52 / 51°F 81% 1011 mb
Low level cloud: 59%
Mid level cloud: 91%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Fri 03
Jul
00:00

S
S

8 / 10 mph 52 / 50°F 98% 1009 mb
Low level cloud: 95%
Mid level cloud: 86%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.07 In of precipitation over the past 3 hours.
0.07 In
03:00

S
S

11 / 17 mph 51 / 47°F 98% 1004 mb
Low level cloud: 92%
Mid level cloud: 100%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.14 In of precipitation over the past 3 hours.
0.14 In
06:00

SSW
SSW

7 / 15 mph 50 / 47°F 99% 1002 mb
Low level cloud: 98%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.05 In of precipitation over the past 3 hours.
0.05 In
09:00

SW
SW

7 / 14 mph 53 / 50°F 98% 1003 mb
Low level cloud: 92%
Mid level cloud: 78%
High level cloud: 87%
Most Significant Cloud Type: low
100%
Expect 0.05 In of precipitation over the past 3 hours.
0.05 In
12:00

WSW
WSW

7 / 10 mph 56 / 54°F 97% 1005 mb
Low level cloud: 91%
Mid level cloud: 82%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.05 In of precipitation over the past 3 hours.
0.05 In
15:00

WSW
WSW

7 / 8 mph 57 / 56°F 94% 1005 mb
Low level cloud: 92%
Mid level cloud: 89%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
18:00

SSW
SSW

4 / 4 mph 56 / 56°F 97% 1006 mb
Low level cloud: 90%
Mid level cloud: 91%
High level cloud: 84%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
21:00

SSE
SSE

2 / 4 mph 54 / 55°F 99% 1005 mb
Low level cloud: 99%
Mid level cloud: 94%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
Sat 04
Jul
00:00

SSE
SSE

3 / 5 mph 55 / 56°F 99% 1004 mb
Low level cloud: 100%
Mid level cloud: 99%
High level cloud: 5%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
03:00

S
S

4 / 7 mph 56 / 56°F 99% 1002 mb
Low level cloud: 97%
Mid level cloud: 86%
High level cloud: 9%
Most Significant Cloud Type: low
100%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
06:00

SSW
SSW

8 / 13 mph 58 / 56°F 98% 1001 mb
Low level cloud: 95%
Mid level cloud: 59%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
09:00

WSW
WSW

9 / 12 mph 58 / 56°F 98% 1002 mb
Low level cloud: 92%
Mid level cloud: 80%
High level cloud: 8%
Most Significant Cloud Type: low
100%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
12:00

W
W

16 / 20 mph 61 / 60°F 90% 1004 mb
Low level cloud: 76%
Mid level cloud: 26%
High level cloud: 2%
Most Significant Cloud Type: low
85%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
15:00

W
W

14 / 18 mph 62 / 61°F 77% 1006 mb
Low level cloud: 44%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
48%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
18:00

WSW
WSW

10 / 13 mph 60 / 57°F 75% 1006 mb
Low level cloud: 56%
Mid level cloud: 10%
High level cloud: 6%
Most Significant Cloud Type: low
60%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
21:00

WSW
WSW

6 / 11 mph 50 / 47°F 86% 1006 mb
Low level cloud: 29%
Mid level cloud: 88%
High level cloud: 3%
Most Significant Cloud Type: medium
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sun 05
Jul
00:00

SE
SE

3 / 5 mph 49 / 49°F 93% 1003 mb
Low level cloud: 88%
Mid level cloud: 85%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
03:00

NNW
NNW

5 / 8 mph 50 / 48°F 99% 999 mb
Low level cloud: 97%
Mid level cloud: 55%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.19 In of precipitation over the past 3 hours.
0.19 In
06:00

W
W

4 / 6 mph 50 / 48°F 98% 1000 mb
Low level cloud: 79%
Mid level cloud: 48%
High level cloud: 0%
Most Significant Cloud Type: low
96%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
09:00

W
W

9 / 14 mph 52 / 47°F 95% 1003 mb
Low level cloud: 53%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
59%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
12:00

W
W

19 / 25 mph 59 / 55°F 74% 1004 mb
Low level cloud: 37%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
46%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
15:00

WSW
WSW

19 / 26 mph 59 / 55°F 75% 1004 mb
Low level cloud: 51%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
58%
Expect 0.05 In of precipitation over the past 3 hours.
0.05 In
18:00

WSW
WSW

16 / 21 mph 54 / 50°F 85% 1004 mb
Low level cloud: 93%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
21:00

W
W

12 / 22 mph 50 / 45°F 91% 1006 mb
Low level cloud: 67%
Mid level cloud: 33%
High level cloud: 0%
Most Significant Cloud Type: low
78%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
Mon 06
Jul
00:00

WNW
WNW

12 / 23 mph 48 / 43°F 92% 1009 mb
Low level cloud: 79%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
88%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
03:00

WNW
WNW

8 / 16 mph 47 / 43°F 95% 1013 mb
Low level cloud: 35%
Mid level cloud: 25%
High level cloud: 1%
Most Significant Cloud Type: low
43%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

NW
NW

8 / 13 mph 50 / 46°F 91% 1016 mb
Low level cloud: 39%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
47%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

NW
NW

11 / 13 mph 57 / 54°F 72% 1019 mb
Low level cloud: 13%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
81%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
12:00

NW
NW

13 / 15 mph 59 / 56°F 70% 1021 mb
Low level cloud: 8%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
15:00

WNW
WNW

12 / 14 mph 62 / 60°F 62% 1022 mb
Low level cloud: 32%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
33%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

WNW
WNW

11 / 13 mph 59 / 55°F 71% 1023 mb
Low level cloud: 35%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
36%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

W
W

6 / 12 mph 49 / 46°F 93% 1024 mb
Low level cloud: 47%
Mid level cloud: 3%
High level cloud: 12%
Most Significant Cloud Type: low
49%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Tue 07
Jul
00:00

W
W

4 / 9 mph 46 / 44°F 93% 1025 mb
Low level cloud: 83%
Mid level cloud: 3%
High level cloud: 70%
Most Significant Cloud Type: low
92%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

WSW
WSW

4 / 7 mph 48 / 47°F 88% 1024 mb
Low level cloud: 95%
Mid level cloud: 22%
High level cloud: 19%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

W
W

5 / 7 mph 52 / 50°F 86% 1025 mb
Low level cloud: 84%
Mid level cloud: 49%
High level cloud: 22%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

WSW
WSW

7 / 8 mph 59 / 57°F 74% 1024 mb
Low level cloud: 60%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
87%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

WSW
WSW

9 / 11 mph 61 / 60°F 67% 1024 mb
Low level cloud: 55%
Mid level cloud: 84%
High level cloud: 100%
Most Significant Cloud Type: low
96%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
15:00

WSW
WSW

5 / 6 mph 61 / 61°F 69% 1023 mb
Low level cloud: 87%
Mid level cloud: 45%
High level cloud: 18%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

WSW
WSW

3 / 4 mph 60 / 60°F 78% 1022 mb
Low level cloud: 24%
Mid level cloud: 77%
High level cloud: 87%
Most Significant Cloud Type: medium
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

S
S

5 / 9 mph 54 / 52°F 90% 1021 mb
Low level cloud: 0%
Mid level cloud: 97%
High level cloud: 33%
Most Significant Cloud Type: medium
99%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
Wed 08
Jul
00:00

S
S

9 / 15 mph 52 / 49°F 87% 1018 mb
Low level cloud: 72%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
03:00

S
S

10 / 19 mph 50 / 46°F 91% 1015 mb
Low level cloud: 64%
Mid level cloud: 51%
High level cloud: 42%
Most Significant Cloud Type: low
86%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
06:00

S
S

11 / 17 mph 54 / 51°F 90% 1013 mb
Low level cloud: 97%
Mid level cloud: 93%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

SSW
SSW

14 / 20 mph 57 / 54°F 90% 1011 mb
Low level cloud: 100%
Mid level cloud: 47%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

SW
SW

16 / 24 mph 60 / 60°F 86% 1011 mb
Low level cloud: 81%
Mid level cloud: 46%
High level cloud: 38%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
15:00

WSW
WSW

19 / 22 mph 59 / 55°F 77% 1011 mb
Low level cloud: 87%
Mid level cloud: 26%
High level cloud: 32%
Most Significant Cloud Type: low
99%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

WSW
WSW

14 / 19 mph 56 / 52°F 79% 1011 mb
Low level cloud: 67%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
77%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

WSW
WSW

11 / 17 mph 54 / 50°F 80% 1012 mb
Low level cloud: 63%
Mid level cloud: 3%
High level cloud: 32%
Most Significant Cloud Type: low
67%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 09
Jul
00:00

S
S

7 / 15 mph 48 / 45°F 91% 1019 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 84%
Most Significant Cloud Type: medium
47%
0.00 In
06:00

SSW
SSW

7 / 14 mph 53 / 51°F 96% 1012 mb
Low level cloud: 70%
Mid level cloud: 14%
High level cloud: 98%
Most Significant Cloud Type: low
86%
0.01 In
12:00

SSE
SSE

10 / 12 mph 65 / 65°F 73% 1019 mb
Low level cloud: 52%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
66%
0.00 In
18:00

SSW
SSW

6 / 7 mph 68 / 68°F 93% 1013 mb
Low level cloud: 36%
Mid level cloud: 77%
High level cloud: 100%
Most Significant Cloud Type: low
74%
0.02 In
Fri 10
Jul
00:00

WSW
WSW

6 / 11 mph 50 / 47°F 97% 1019 mb
Low level cloud: 82%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
82%
0.01 In
06:00

SW
SW

6 / 9 mph 54 / 53°F 96% 1011 mb
Low level cloud: 42%
Mid level cloud: 2%
High level cloud: 99%
Most Significant Cloud Type: low
54%
0.04 In
12:00

SW
SW

7 / 9 mph 61 / 61°F 96% 1013 mb
Low level cloud: 82%
Mid level cloud: 89%
High level cloud: 10%
Most Significant Cloud Type: low
100%
0.03 In
18:00

NNW
NNW

10 / 13 mph 59 / 59°F 73% 1018 mb
Low level cloud: 21%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
23%
0.03 In
Sat 11
Jul
00:00

WSW
WSW

9 / 18 mph 56 / 54°F 97% 1011 mb
Low level cloud: 92%
Mid level cloud: 57%
High level cloud: 15%
Most Significant Cloud Type: low
100%
0.04 In
06:00

WSW
WSW

4 / 6 mph 49 / 47°F 95% 1018 mb
Low level cloud: 48%
Mid level cloud: 29%
High level cloud: 10%
Most Significant Cloud Type: low
59%
0.00 In
12:00

W
W

11 / 14 mph 60 / 60°F 75% 1016 mb
Low level cloud: 65%
Mid level cloud: 51%
High level cloud: 0%
Most Significant Cloud Type: low
83%
0.01 In
18:00

NNW
NNW

9 / 13 mph 56 / 54°F 77% 1018 mb
Low level cloud: 6%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
9%
0.10 In
Sun 12
Jul
00:00

ESE
ESE

5 / 7 mph 56 / 55°F 93% 1013 mb
Low level cloud: 93%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.01 In
06:00

SSE
SSE

1 / 1 mph 51 / 51°F 91% 1019 mb
Low level cloud: 9%
Mid level cloud: 15%
High level cloud: 33%
Most Significant Cloud Type: low
18%
0.00 In
12:00

S
S

6 / 9 mph 59 / 58°F 97% 1005 mb
Low level cloud: 46%
Mid level cloud: 64%
High level cloud: 0%
Most Significant Cloud Type: low
68%
0.28 In
18:00

SW
SW

4 / 6 mph 58 / 58°F 91% 1019 mb
Low level cloud: 75%
Mid level cloud: 46%
High level cloud: 15%
Most Significant Cloud Type: low
92%
0.04 In
Mon 13
Jul
00:00

NW
NW

12 / 22 mph 49 / 44°F 87% 1012 mb
Low level cloud: 50%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
52%
0.01 In
06:00

SSE
SSE

9 / 13 mph 52 / 49°F 98% 1015 mb
Low level cloud: 96%
Mid level cloud: 96%
High level cloud: 87%
Most Significant Cloud Type: low
100%
0.06 In
12:00

NNW
NNW

10 / 12 mph 57 / 55°F 67% 1019 mb
Low level cloud: 39%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
40%
0.00 In
18:00

WSW
WSW

6 / 10 mph 62 / 62°F 90% 1012 mb
Low level cloud: 83%
Mid level cloud: 70%
High level cloud: 61%
Most Significant Cloud Type: low
100%
0.11 In
Tue 14
Jul
00:00

SSW
SSW

2 / 3 mph 48 / 49°F 92% 1021 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 22%
Most Significant Cloud Type: medium
8%
0.00 In
06:00

SSW
SSW

5 / 6 mph 52 / 50°F 97% 1011 mb
Low level cloud: 55%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
63%
0.00 In
12:00

NNW
NNW

1 / 2 mph 63 / 63°F 68% 1020 mb
Low level cloud: 49%
Mid level cloud: 30%
High level cloud: 100%
Most Significant Cloud Type: low
71%
0.01 In
18:00

SW
SW

8 / 10 mph 61 / 61°F 68% 1010 mb
Low level cloud: 11%
Mid level cloud: 23%
High level cloud: 9%
Most Significant Cloud Type: low
19%
0.04 In
Wed 15
Jul
00:00

NE
NE

3 / 3 mph 51 / 51°F 93% 1018 mb
Low level cloud: 10%
Mid level cloud: 23%
High level cloud: 32%
Most Significant Cloud Type: low
22%
0.00 In
06:00

S
S

4 / 7 mph 51 / 50°F 97% 1007 mb
Low level cloud: 67%
Mid level cloud: 73%
High level cloud: 97%
Most Significant Cloud Type: low
100%
0.14 In
12:00

SSE
SSE

8 / 9 mph 64 / 64°F 67% 1016 mb
Low level cloud: 12%
Mid level cloud: 24%
High level cloud: 2%
Most Significant Cloud Type: low
20%
0.01 In
18:00

S
S

2 / 2 mph 56 / 56°F 96% 1005 mb
Low level cloud: 81%
Mid level cloud: 93%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.10 In
Thu 16
Jul
00:00

SE
SE

6 / 11 mph 50 / 48°F 95% 1013 mb
Low level cloud: 16%
Mid level cloud: 22%
High level cloud: 15%
Most Significant Cloud Type: low
25%
0.01 In
06:00

WSW
WSW

1 / 2 mph 51 / 51°F 97% 1004 mb
Low level cloud: 81%
Mid level cloud: 58%
High level cloud: 6%
Most Significant Cloud Type: low
100%
0.05 In
12:00

SE
SE

15 / 25 mph 53 / 48°F 94% 1007 mb
Low level cloud: 86%
Mid level cloud: 100%
High level cloud: 4%
Most Significant Cloud Type: low
100%
0.14 In
18:00

NE
NE

7 / 12 mph 59 / 58°F 86% 1003 mb
Low level cloud: 19%
Mid level cloud: 53%
High level cloud: 5%
Most Significant Cloud Type: low
38%
0.12 In
Fri 17
Jul
00:00

SSE
SSE

4 / 7 mph 53 / 51°F 98% 1000 mb
Low level cloud: 71%
Mid level cloud: 69%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.12 In
06:00

NNW
NNW

1 / 2 mph 50 / 50°F 93% 1001 mb
Low level cloud: 16%
Mid level cloud: 50%
High level cloud: 3%
Most Significant Cloud Type: medium
93%
0.00 In
12:00

S
S

5 / 8 mph 62 / 62°F 86% 999 mb
Low level cloud: 30%
Mid level cloud: 100%
High level cloud: 70%
Most Significant Cloud Type: medium
100%
0.10 In
18:00

NW
NW

8 / 11 mph 59 / 58°F 77% 1000 mb
Low level cloud: 14%
Mid level cloud: 10%
High level cloud: 3%
Most Significant Cloud Type: low
17%
0.07 In

Other Locations Near to Leaght

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