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Merthyr Mawr 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Merthyr Mawr

Bro Morgannwg (The Vale Of Glamorgan), United Kingdom

Long range weather outlook for Merthyr Mawr includes 14 day forecast summary:

The next 14 day outlook for Merthyr Mawr shows the average daytime maximum temperature will be around 11°C, with a high for the two weeks of 13°C expected on the afternoon of Tuesday 1st. The mean minimum temperature will be 6°C, dipping to its lowest on the morning of Sunday 29th at 4°C. The fortnight ahead will have some days seeing a little precipitation and some days with rain. The indicators are that Sunday 29th will have the most precipitation with an accumulation of around 22.0mm. On the whole winds are likely to be moderate. Expect the strongest wind on the evening of Saturday 28th, coming from a north easterly direction, and reaching around 29mph. The maximum wind gusts are expected on Sunday morning.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Mon 23
Apr
21:00

WSW
WSW

18 / 22 mph 52 / 47°F 94% 1016 mb
Low level cloud: 91%
Mid level cloud: 74%
High level cloud: 79%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
Tue 24
Apr
00:00

WSW
WSW

15 / 24 mph 50 / 44°F 96% 1016 mb
Low level cloud: 80%
Mid level cloud: 76%
High level cloud: 84%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
03:00

W
W

12 / 19 mph 49 / 44°F 95% 1016 mb
Low level cloud: 56%
Mid level cloud: 71%
High level cloud: 86%
Most Significant Cloud Type: low
91%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

WSW
WSW

11 / 16 mph 49 / 44°F 94% 1015 mb
Low level cloud: 47%
Mid level cloud: 73%
High level cloud: 88%
Most Significant Cloud Type: low
83%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
09:00

WSW
WSW

10 / 13 mph 50 / 46°F 91% 1015 mb
Low level cloud: 30%
Mid level cloud: 76%
High level cloud: 86%
Most Significant Cloud Type: low
67%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
12:00

WSW
WSW

4 / 4 mph 51 / 50°F 91% 1014 mb
Low level cloud: 91%
Mid level cloud: 75%
High level cloud: 79%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
15:00

SE
SE

1 / 2 mph 52 / 52°F 96% 1012 mb
Low level cloud: 94%
Mid level cloud: 85%
High level cloud: 14%
Most Significant Cloud Type: low
100%
Expect 0.13 In of precipitation over the past 3 hours.
0.13 In
18:00

WSW
WSW

17 / 28 mph 51 / 46°F 97% 1011 mb
Low level cloud: 91%
Mid level cloud: 76%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.15 In of precipitation over the past 3 hours.
0.15 In
21:00

WSW
WSW

15 / 24 mph 50 / 45°F 97% 1011 mb
Low level cloud: 94%
Mid level cloud: 97%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.12 In of precipitation over the past 3 hours.
0.12 In
Wed 25
Apr
00:00

WNW
WNW

11 / 16 mph 49 / 44°F 95% 1011 mb
Low level cloud: 72%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
82%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

WNW
WNW

10 / 14 mph 47 / 43°F 94% 1011 mb
Low level cloud: 91%
Mid level cloud: 59%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

WNW
WNW

9 / 14 mph 47 / 42°F 91% 1012 mb
Low level cloud: 9%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
16%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

W
W

16 / 25 mph 49 / 42°F 78% 1013 mb
Low level cloud: 5%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
32%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
12:00

WSW
WSW

21 / 25 mph 52 / 46°F 69% 1013 mb
Low level cloud: 2%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
15:00

W
W

23 / 27 mph 53 / 47°F 68% 1013 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

W
W

22 / 26 mph 52 / 45°F 73% 1013 mb
Low level cloud: 5%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
8%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
21:00

W
W

20 / 24 mph 49 / 43°F 74% 1015 mb
Low level cloud: 2%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Thu 26
Apr
00:00

W
W

19 / 27 mph 47 / 40°F 75% 1016 mb
Low level cloud: 26%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
30%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

W
W

18 / 28 mph 46 / 39°F 76% 1016 mb
Low level cloud: 29%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
31%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

W
W

18 / 30 mph 45 / 37°F 75% 1017 mb
Low level cloud: 12%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
15%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

W
W

21 / 30 mph 48 / 40°F 70% 1018 mb
Low level cloud: 15%
Mid level cloud: 24%
High level cloud: 9%
Most Significant Cloud Type: low
24%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

W
W

22 / 26 mph 51 / 44°F 66% 1017 mb
Low level cloud: 1%
Mid level cloud: 6%
High level cloud: 56%
Most Significant Cloud Type: medium
10%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
15:00

W
W

20 / 23 mph 52 / 46°F 66% 1017 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 75%
Most Significant Cloud Type: medium
10%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

W
W

15 / 17 mph 52 / 46°F 73% 1017 mb
Low level cloud: 2%
Mid level cloud: 9%
High level cloud: 75%
Most Significant Cloud Type: medium
15%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

WSW
WSW

11 / 13 mph 49 / 45°F 78% 1017 mb
Low level cloud: 2%
Mid level cloud: 19%
High level cloud: 77%
Most Significant Cloud Type: medium
28%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Fri 27
Apr
00:00

W
W

9 / 13 mph 46 / 42°F 81% 1016 mb
Low level cloud: 6%
Mid level cloud: 46%
High level cloud: 75%
Most Significant Cloud Type: medium
64%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

WSW
WSW

6 / 9 mph 45 / 42°F 83% 1015 mb
Low level cloud: 15%
Mid level cloud: 43%
High level cloud: 95%
Most Significant Cloud Type: low
41%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

SSW
SSW

3 / 5 mph 44 / 43°F 86% 1014 mb
Low level cloud: 13%
Mid level cloud: 75%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

SSE
SSE

4 / 6 mph 46 / 44°F 77% 1013 mb
Low level cloud: 2%
Mid level cloud: 80%
High level cloud: 98%
Most Significant Cloud Type: medium
90%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
12:00

SSE
SSE

3 / 4 mph 49 / 47°F 73% 1013 mb
Low level cloud: 29%
Mid level cloud: 74%
High level cloud: 88%
Most Significant Cloud Type: low
65%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In
15:00

ESE
ESE

5 / 6 mph 50 / 47°F 72% 1011 mb
Low level cloud: 40%
Mid level cloud: 73%
High level cloud: 98%
Most Significant Cloud Type: low
76%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
18:00

E
E

4 / 5 mph 50 / 48°F 82% 1011 mb
Low level cloud: 34%
Mid level cloud: 75%
High level cloud: 100%
Most Significant Cloud Type: low
72%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
21:00

ENE
ENE

6 / 8 mph 47 / 44°F 90% 1012 mb
Low level cloud: 76%
Mid level cloud: 76%
High level cloud: 17%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sat 28
Apr
00:00

ENE
ENE

10 / 14 mph 46 / 41°F 90% 1011 mb
Low level cloud: 22%
Mid level cloud: 34%
High level cloud: 0%
Most Significant Cloud Type: low
34%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

NE
NE

12 / 17 mph 44 / 37°F 91% 1011 mb
Low level cloud: 30%
Mid level cloud: 29%
High level cloud: 74%
Most Significant Cloud Type: low
49%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

ENE
ENE

16 / 27 mph 42 / 34°F 90% 1011 mb
Low level cloud: 18%
Mid level cloud: 29%
High level cloud: 96%
Most Significant Cloud Type: low
39%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

ENE
ENE

21 / 35 mph 45 / 37°F 77% 1011 mb
Low level cloud: 47%
Mid level cloud: 44%
High level cloud: 91%
Most Significant Cloud Type: low
72%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

ENE
ENE

24 / 33 mph 49 / 41°F 73% 1011 mb
Low level cloud: 82%
Mid level cloud: 71%
High level cloud: 88%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

ENE
ENE

26 / 30 mph 50 / 43°F 81% 1010 mb
Low level cloud: 79%
Mid level cloud: 75%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
18:00

ENE
ENE

26 / 30 mph 49 / 41°F 85% 1010 mb
Low level cloud: 89%
Mid level cloud: 68%
High level cloud: 12%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
21:00

ENE
ENE

28 / 33 mph 46 / 37°F 85% 1010 mb
Low level cloud: 86%
Mid level cloud: 81%
High level cloud: 50%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sun 29
Apr
00:00

ENE
ENE

26 / 45 mph 42 / 31°F 87% 1010 mb
Low level cloud: 74%
Mid level cloud: 83%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
03:00

ENE
ENE

24 / 40 mph 41 / 30°F 90% 1009 mb
Low level cloud: 89%
Mid level cloud: 78%
High level cloud: 99%
Most Significant Cloud Type: low
100%
Expect 0.20 In of precipitation over the past 3 hours.
0.20 In
06:00

NE
NE

23 / 43 mph 40 / 29°F 90% 1009 mb
Low level cloud: 76%
Mid level cloud: 71%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.11 In of precipitation over the past 3 hours.
0.11 In
09:00

NE
NE

25 / 38 mph 42 / 32°F 88% 1008 mb
Low level cloud: 83%
Mid level cloud: 74%
High level cloud: 92%
Most Significant Cloud Type: low
100%
Expect 0.12 In of precipitation over the past 3 hours.
0.12 In
12:00

NE
NE

25 / 37 mph 44 / 35°F 82% 1008 mb
Low level cloud: 54%
Mid level cloud: 70%
High level cloud: 86%
Most Significant Cloud Type: low
89%
Expect 0.08 In of precipitation over the past 3 hours.
0.08 In
15:00

NNE
NNE

25 / 28 mph 45 / 36°F 83% 1006 mb
Low level cloud: 57%
Mid level cloud: 83%
High level cloud: 97%
Most Significant Cloud Type: low
97%
Expect 0.09 In of precipitation over the past 3 hours.
0.09 In
18:00

N
N

24 / 28 mph 44 / 35°F 84% 1005 mb
Low level cloud: 53%
Mid level cloud: 96%
High level cloud: 100%
Most Significant Cloud Type: low
98%
Expect 0.16 In of precipitation over the past 3 hours.
0.16 In
21:00

N
N

27 / 35 mph 42 / 32°F 86% 1004 mb
Low level cloud: 80%
Mid level cloud: 67%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.10 In of precipitation over the past 3 hours.
0.10 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Tue 01
May
00:00

SSW
SSW

10 / 15 mph 46 / 41°F 91% 1002 mb
Low level cloud: 87%
Mid level cloud: 89%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.08 In
06:00

WSW
WSW

10 / 17 mph 46 / 40°F 86% 1005 mb
Low level cloud: 37%
Mid level cloud: 12%
High level cloud: 14%
Most Significant Cloud Type: low
43%
0.01 In
12:00

SE
SE

10 / 13 mph 55 / 53°F 72% 1004 mb
Low level cloud: 2%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
50%
0.02 In
18:00

WSW
WSW

15 / 17 mph 50 / 45°F 75% 1007 mb
Low level cloud: 29%
Mid level cloud: 22%
High level cloud: 93%
Most Significant Cloud Type: low
47%
0.00 In
Wed 02
May
00:00

WNW
WNW

7 / 13 mph 43 / 38°F 65% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 43%
Most Significant Cloud Type: high
43%
0.00 In
06:00

S
S

25 / 41 mph 45 / 37°F 90% 992 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.23 In
12:00

WSW
WSW

17 / 29 mph 48 / 42°F 96% 1006 mb
Low level cloud: 96%
Mid level cloud: 76%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.10 In
18:00

SE
SE

19 / 26 mph 49 / 43°F 92% 989 mb
Low level cloud: 93%
Mid level cloud: 94%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.25 In
Thu 03
May
00:00

NW
NW

11 / 18 mph 43 / 37°F 73% 1010 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
0.00 In
06:00

ESE
ESE

13 / 18 mph 47 / 41°F 90% 993 mb
Low level cloud: 12%
Mid level cloud: 5%
High level cloud: 6%
Most Significant Cloud Type: low
14%
0.00 In
12:00

W
W

17 / 20 mph 50 / 45°F 67% 1011 mb
Low level cloud: 61%
Mid level cloud: 45%
High level cloud: 4%
Most Significant Cloud Type: low
77%
0.01 In
18:00

ESE
ESE

12 / 20 mph 52 / 48°F 83% 996 mb
Low level cloud: 13%
Mid level cloud: 55%
High level cloud: 59%
Most Significant Cloud Type: medium
92%
0.05 In
Fri 04
May
00:00

WSW
WSW

21 / 30 mph 50 / 44°F 94% 1008 mb
Low level cloud: 74%
Mid level cloud: 44%
High level cloud: 42%
Most Significant Cloud Type: low
94%
0.08 In
06:00

NE
NE

25 / 33 mph 47 / 38°F 88% 1000 mb
Low level cloud: 44%
Mid level cloud: 30%
High level cloud: 54%
Most Significant Cloud Type: low
60%
0.05 In
12:00

W
W

17 / 23 mph 52 / 47°F 75% 1012 mb
Low level cloud: 17%
Mid level cloud: 23%
High level cloud: 17%
Most Significant Cloud Type: low
26%
0.03 In
18:00

NNE
NNE

26 / 35 mph 48 / 40°F 80% 1001 mb
Low level cloud: 44%
Mid level cloud: 47%
High level cloud: 39%
Most Significant Cloud Type: low
65%
0.12 In
Sat 05
May
00:00

SW
SW

20 / 24 mph 53 / 47°F 92% 1010 mb
Low level cloud: 94%
Mid level cloud: 72%
High level cloud: 2%
Most Significant Cloud Type: low
100%
0.12 In
06:00

NNE
NNE

21 / 32 mph 45 / 37°F 88% 1000 mb
Low level cloud: 65%
Mid level cloud: 79%
High level cloud: 70%
Most Significant Cloud Type: low
100%
0.43 In
12:00

SW
SW

28 / 34 mph 61 / 61°F 90% 1003 mb
Low level cloud: 68%
Mid level cloud: 46%
High level cloud: 44%
Most Significant Cloud Type: low
89%
0.26 In
18:00

NNE
NNE

17 / 25 mph 50 / 44°F 90% 1002 mb
Low level cloud: 76%
Mid level cloud: 48%
High level cloud: 55%
Most Significant Cloud Type: low
99%
0.38 In
Sun 06
May
00:00

SW
SW

11 / 14 mph 48 / 44°F 92% 1008 mb
Low level cloud: 78%
Mid level cloud: 59%
High level cloud: 37%
Most Significant Cloud Type: low
100%
0.20 In
06:00

NNE
NNE

11 / 13 mph 49 / 45°F 92% 1006 mb
Low level cloud: 69%
Mid level cloud: 45%
High level cloud: 52%
Most Significant Cloud Type: low
90%
0.04 In
12:00

SSW
SSW

13 / 17 mph 53 / 49°F 84% 1007 mb
Low level cloud: 28%
Mid level cloud: 44%
High level cloud: 43%
Most Significant Cloud Type: low
48%
0.03 In
18:00

NNW
NNW

6 / 9 mph 54 / 53°F 91% 1010 mb
Low level cloud: 64%
Mid level cloud: 45%
High level cloud: 11%
Most Significant Cloud Type: low
80%
0.02 In
Mon 07
May
00:00

WSW
WSW

17 / 25 mph 47 / 40°F 75% 1008 mb
Low level cloud: 2%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
0.03 In
06:00

NNE
NNE

4 / 4 mph 54 / 54°F 94% 1014 mb
Low level cloud: 45%
Mid level cloud: 43%
High level cloud: 5%
Most Significant Cloud Type: low
60%
0.00 In
12:00

WSW
WSW

25 / 41 mph 49 / 41°F 72% 1009 mb
Low level cloud: 5%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
59%
0.13 In
18:00

WNW
WNW

8 / 13 mph 56 / 54°F 88% 1017 mb
Low level cloud: 54%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
70%
0.01 In
Tue 08
May
00:00

WSW
WSW

19 / 37 mph 44 / 35°F 72% 1015 mb
Low level cloud: 7%
Mid level cloud: 6%
High level cloud: 9%
Most Significant Cloud Type: low
10%
0.05 In
06:00

WNW
WNW

6 / 7 mph 52 / 50°F 94% 1020 mb
Low level cloud: 59%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
74%
0.01 In
12:00

S
S

27 / 38 mph 60 / 60°F 83% 1007 mb
Low level cloud: 39%
Mid level cloud: 60%
High level cloud: 44%
Most Significant Cloud Type: low
65%
0.12 In
18:00

WNW
WNW

9 / 12 mph 58 / 56°F 82% 1021 mb
Low level cloud: 2%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
1%
0.00 In
Wed 09
May
00:00

SW
SW

39 / 75 mph 46 / 36°F 72% 991 mb
Low level cloud: 58%
Mid level cloud: 47%
High level cloud: 0%
Most Significant Cloud Type: low
74%
0.31 In
06:00

NW
NW

4 / 5 mph 54 / 54°F 90% 1023 mb
Low level cloud: 12%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
15%
0.00 In
12:00

WSW
WSW

27 / 57 mph 45 / 36°F 71% 1005 mb
Low level cloud: 3%
Mid level cloud: 43%
High level cloud: 14%
Most Significant Cloud Type: medium
51%
0.11 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