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Amersham 14 Day Long Range Forecast

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

Buckinghamshire, United Kingdom

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

Reviewing the forecast for Amersham Over the next 14 days and the average daytime maximum temperature will be around 16°C, with a high for the two weeks of 19°C expected on the afternoon of Tuesday 28th. The average minimum temperature will be 10°C, dipping to its lowest on the morning of Friday 24th at 7°C. The fortnight ahead will have some days seeing a little precipitation and some days with rain. The indicators are that Wednesday 22nd will have the most precipitation with an accumulation of around 13.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 22
May
12:00

W
W

10 / 15 mph 54 / 50°F 97% 1006 mb
Low level cloud: 77%
Mid level cloud: 100%
High level cloud: 37%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
15:00

WSW
WSW

13 / 17 mph 54 / 50°F 96% 1007 mb
Low level cloud: 88%
Mid level cloud: 100%
High level cloud: 30%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

WSW
WSW

11 / 15 mph 54 / 51°F 97% 1007 mb
Low level cloud: 83%
Mid level cloud: 99%
High level cloud: 22%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

12 / 17 mph 54 / 50°F 96% 1009 mb
Low level cloud: 70%
Mid level cloud: 68%
High level cloud: 86%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 23
May
00:00

WSW
WSW

12 / 18 mph 53 / 49°F 96% 1010 mb
Low level cloud: 61%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: low
88%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

W
W

15 / 23 mph 50 / 45°F 90% 1011 mb
Low level cloud: 92%
Mid level cloud: 14%
High level cloud: 72%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

15 / 22 mph 48 / 42°F 88% 1013 mb
Low level cloud: 86%
Mid level cloud: 5%
High level cloud: 21%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

15 / 20 mph 51 / 46°F 78% 1014 mb
Low level cloud: 99%
Mid level cloud: 3%
High level cloud: 21%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

14 / 18 mph 54 / 49°F 74% 1015 mb
Low level cloud: 85%
Mid level cloud: 0%
High level cloud: 11%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

11 / 16 mph 54 / 50°F 74% 1015 mb
Low level cloud: 87%
Mid level cloud: 0%
High level cloud: 8%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

9 / 12 mph 55 / 50°F 79% 1016 mb
Low level cloud: 31%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: low
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

7 / 11 mph 50 / 46°F 89% 1017 mb
Low level cloud: 44%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 24
May
00:00

WSW
WSW

8 / 12 mph 47 / 44°F 85% 1018 mb
Low level cloud: 80%
Mid level cloud: 13%
High level cloud: 6%
Most Significant Cloud Type: low
84%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

7 / 11 mph 47 / 44°F 84% 1018 mb
Low level cloud: 57%
Mid level cloud: 22%
High level cloud: 32%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SW
SW

6 / 10 mph 48 / 45°F 84% 1018 mb
Low level cloud: 89%
Mid level cloud: 21%
High level cloud: 66%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

6 / 8 mph 55 / 52°F 76% 1019 mb
Low level cloud: 50%
Mid level cloud: 24%
High level cloud: 45%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

9 / 12 mph 59 / 56°F 67% 1019 mb
Low level cloud: 71%
Mid level cloud: 31%
High level cloud: 30%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

8 / 10 mph 61 / 59°F 65% 1019 mb
Low level cloud: 66%
Mid level cloud: 16%
High level cloud: 58%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

4 / 6 mph 62 / 59°F 74% 1020 mb
Low level cloud: 22%
Mid level cloud: 32%
High level cloud: 21%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NW
NW

1 / 2 mph 58 / 57°F 84% 1020 mb
Low level cloud: 6%
Mid level cloud: 7%
High level cloud: 2%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 25
May
00:00

N
N

1 / 2 mph 51 / 51°F 89% 1020 mb
Low level cloud: 40%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

1 / 2 mph 49 / 49°F 91% 1020 mb
Low level cloud: 14%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

1 / 2 mph 52 / 51°F 88% 1020 mb
Low level cloud: 12%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSE
SSE

4 / 5 mph 60 / 58°F 71% 1020 mb
Low level cloud: 46%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

5 / 6 mph 66 / 63°F 53% 1019 mb
Low level cloud: 49%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

6 / 8 mph 66 / 64°F 54% 1018 mb
Low level cloud: 22%
Mid level cloud: 19%
High level cloud: 75%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

7 / 10 mph 64 / 61°F 73% 1019 mb
Low level cloud: 39%
Mid level cloud: 10%
High level cloud: 12%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

5 / 7 mph 59 / 57°F 86% 1020 mb
Low level cloud: 3%
Mid level cloud: 0%
High level cloud: 17%
Most Significant Cloud Type: low
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 26
May
00:00

WSW
WSW

4 / 7 mph 53 / 52°F 90% 1020 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

4 / 6 mph 50 / 49°F 89% 1019 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 17%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

3 / 5 mph 52 / 50°F 79% 1020 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 100%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

S
S

5 / 7 mph 60 / 58°F 64% 1019 mb
Low level cloud: 22%
Mid level cloud: 44%
High level cloud: 99%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

S
S

7 / 9 mph 67 / 64°F 62% 1018 mb
Low level cloud: 16%
Mid level cloud: 45%
High level cloud: 93%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

S
S

3 / 5 mph 61 / 59°F 90% 1018 mb
Low level cloud: 2%
Mid level cloud: 53%
High level cloud: 100%
Most Significant Cloud Type: medium
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSW
SSW

5 / 9 mph 60 / 58°F 87% 1018 mb
Low level cloud: 12%
Mid level cloud: 54%
High level cloud: 69%
Most Significant Cloud Type: medium
90%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

S
S

5 / 9 mph 58 / 56°F 93% 1019 mb
Low level cloud: 3%
Mid level cloud: 31%
High level cloud: 61%
Most Significant Cloud Type: medium
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 27
May
00:00

SW
SW

5 / 9 mph 54 / 53°F 96% 1019 mb
Low level cloud: 21%
Mid level cloud: 21%
High level cloud: 1%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WSW
WSW

4 / 6 mph 52 / 51°F 95% 1019 mb
Low level cloud: 17%
Mid level cloud: 31%
High level cloud: 3%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

4 / 6 mph 55 / 53°F 93% 1020 mb
Low level cloud: 40%
Mid level cloud: 50%
High level cloud: 13%
Most Significant Cloud Type: low
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NW
NW

8 / 10 mph 59 / 56°F 81% 1020 mb
Low level cloud: 30%
Mid level cloud: 31%
High level cloud: 33%
Most Significant Cloud Type: low
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NW
NW

9 / 11 mph 65 / 63°F 68% 1020 mb
Low level cloud: 76%
Mid level cloud: 13%
High level cloud: 1%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NW
NW

10 / 13 mph 65 / 63°F 64% 1020 mb
Low level cloud: 27%
Mid level cloud: 3%
High level cloud: 5%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

7 / 10 mph 65 / 62°F 71% 1020 mb
Low level cloud: 28%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

6 / 10 mph 58 / 55°F 84% 1021 mb
Low level cloud: 1%
Mid level cloud: 10%
High level cloud: 1%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 28
May
00:00

NW
NW

6 / 10 mph 53 / 51°F 86% 1021 mb
Low level cloud: 1%
Mid level cloud: 8%
High level cloud: 2%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNW
NNW

5 / 9 mph 50 / 48°F 84% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

4 / 7 mph 50 / 49°F 75% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

2 / 3 mph 59 / 60°F 62% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

5 / 6 mph 63 / 63°F 54% 1020 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

5 / 7 mph 67 / 64°F 55% 1019 mb
Low level cloud: 32%
Mid level cloud: 6%
High level cloud: 63%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

3 / 4 mph 67 / 64°F 66% 1018 mb
Low level cloud: 21%
Mid level cloud: 33%
High level cloud: 77%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

4 / 7 mph 57 / 56°F 84% 1019 mb
Low level cloud: 53%
Mid level cloud: 44%
High level cloud: 82%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 29
May
00:00

N
N

6 / 12 mph 59 / 58°F 95% 1024 mb
Low level cloud: 21%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
22%
0.0 In
06:00

S
S

4 / 9 mph 57 / 57°F 70% 1018 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 100%
Most Significant Cloud Type: medium
6%
0.0 In
12:00

SW
SW

11 / 20 mph 62 / 62°F 67% 1011 mb
Low level cloud: 61%
Mid level cloud: 83%
High level cloud: 61%
Most Significant Cloud Type: low
97%
0.0 In
18:00

SSW
SSW

14 / 30 mph 64 / 64°F 79% 1011 mb
Low level cloud: 44%
Mid level cloud: 30%
High level cloud: 44%
Most Significant Cloud Type: low
59%
0.0 In
Thu 30
May
00:00

SSW
SSW

11 / 20 mph 52 / 48°F 94% 1014 mb
Low level cloud: 49%
Mid level cloud: 66%
High level cloud: 100%
Most Significant Cloud Type: low
84%
0.0 In
06:00

S
S

4 / 9 mph 54 / 54°F 92% 1011 mb
Low level cloud: 84%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
93%
0.0 In
12:00

WNW
WNW

7 / 15 mph 64 / 64°F 67% 1012 mb
Low level cloud: 36%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
40%
0.0 In
18:00

SSW
SSW

8 / 17 mph 63 / 63°F 86% 1006 mb
Low level cloud: 15%
Mid level cloud: 24%
High level cloud: 5%
Most Significant Cloud Type: low
24%
0.2 In
Fri 31
May
00:00

WSW
WSW

3 / 7 mph 56 / 56°F 87% 1012 mb
Low level cloud: 38%
Mid level cloud: 5%
High level cloud: 90%
Most Significant Cloud Type: low
50%
0.0 In
06:00

SW
SW

10 / 22 mph 51 / 47°F 94% 1005 mb
Low level cloud: 36%
Mid level cloud: 28%
High level cloud: 17%
Most Significant Cloud Type: low
48%
0.2 In
12:00

WSW
WSW

10 / 21 mph 60 / 60°F 60% 1012 mb
Low level cloud: 31%
Mid level cloud: 44%
High level cloud: 96%
Most Significant Cloud Type: low
57%
0.0 In
18:00

SSW
SSW

14 / 30 mph 56 / 53°F 77% 1008 mb
Low level cloud: 7%
Mid level cloud: 11%
High level cloud: 4%
Most Significant Cloud Type: low
10%
0.0 In
Sat 01
Jun
00:00

SW
SW

3 / 5 mph 57 / 57°F 93% 1012 mb
Low level cloud: 17%
Mid level cloud: 10%
High level cloud: 93%
Most Significant Cloud Type: low
31%
0.0 In
06:00

SSW
SSW

13 / 28 mph 49 / 44°F 86% 1010 mb
Low level cloud: 27%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
35%
0.0 In
12:00

ENE
ENE

6 / 12 mph 62 / 62°F 73% 1009 mb
Low level cloud: 26%
Mid level cloud: 53%
High level cloud: 1%
Most Significant Cloud Type: low
44%
0.0 In
18:00

SW
SW

14 / 29 mph 56 / 52°F 77% 1013 mb
Low level cloud: 6%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
9%
0.1 In
Sun 02
Jun
00:00

SE
SE

5 / 11 mph 54 / 53°F 97% 1010 mb
Low level cloud: 58%
Mid level cloud: 63%
High level cloud: 0%
Most Significant Cloud Type: low
80%
0.2 In
06:00

S
S

8 / 16 mph 52 / 50°F 88% 1014 mb
Low level cloud: 57%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
72%
0.0 In
12:00

SSW
SSW

12 / 25 mph 60 / 60°F 61% 1011 mb
Low level cloud: 57%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
65%
0.2 In
18:00

SW
SW

15 / 31 mph 58 / 54°F 74% 1015 mb
Low level cloud: 30%
Mid level cloud: 44%
High level cloud: 19%
Most Significant Cloud Type: low
47%
0.1 In
Mon 03
Jun
00:00

W
W

1 / 2 mph 60 / 60°F 89% 1012 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 20%
Most Significant Cloud Type: medium
18%
0.0 In
06:00

SW
SW

12 / 24 mph 51 / 47°F 90% 1015 mb
Low level cloud: 78%
Mid level cloud: 44%
High level cloud: 10%
Most Significant Cloud Type: low
94%
0.0 In
12:00

WNW
WNW

8 / 17 mph 58 / 57°F 70% 1012 mb
Low level cloud: 37%
Mid level cloud: 17%
High level cloud: 2%
Most Significant Cloud Type: low
43%
0.1 In
18:00

SW
SW

13 / 28 mph 56 / 53°F 91% 1015 mb
Low level cloud: 84%
Mid level cloud: 44%
High level cloud: 20%
Most Significant Cloud Type: low
100%
0.2 In
Tue 04
Jun
00:00

SSW
SSW

11 / 23 mph 49 / 45°F 94% 1011 mb
Low level cloud: 28%
Mid level cloud: 18%
High level cloud: 95%
Most Significant Cloud Type: low
45%
0.1 In
06:00

W
W

10 / 21 mph 51 / 48°F 93% 1018 mb
Low level cloud: 91%
Mid level cloud: 20%
High level cloud: 86%
Most Significant Cloud Type: low
100%
0.0 In
12:00

W
W

15 / 32 mph 53 / 49°F 69% 1009 mb
Low level cloud: 43%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
58%
0.1 In
18:00

WNW
WNW

12 / 25 mph 60 / 60°F 77% 1020 mb
Low level cloud: 1%
Mid level cloud: 21%
High level cloud: 4%
Most Significant Cloud Type: medium
22%
0.0 In
Wed 05
Jun
00:00

WSW
WSW

13 / 27 mph 47 / 42°F 89% 1010 mb
Low level cloud: 20%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
35%
0.0 In
06:00

NW
NW

10 / 21 mph 53 / 50°F 86% 1023 mb
Low level cloud: 6%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
7%
0.0 In
12:00

WSW
WSW

15 / 31 mph 56 / 53°F 67% 1010 mb
Low level cloud: 49%
Mid level cloud: 100%
High level cloud: 4%
Most Significant Cloud Type: low
84%
0.0 In
18:00

NNE
NNE

6 / 13 mph 65 / 65°F 73% 1024 mb
Low level cloud: 25%
Mid level cloud: 32%
High level cloud: 13%
Most Significant Cloud Type: low
37%
0.0 In
Thu 06
Jun
00:00

NNW
NNW

4 / 9 mph 54 / 53°F 94% 1013 mb
Low level cloud: 46%
Mid level cloud: 100%
High level cloud: 5%
Most Significant Cloud Type: low
81%
0.2 In
06:00

NNE
NNE

6 / 12 mph 55 / 53°F 89% 1025 mb
Low level cloud: 27%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
27%
0.0 In
12:00

N
N

9 / 19 mph 62 / 62°F 64% 1017 mb
Low level cloud: 70%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
78%
0.0 In
18:00

NE
NE

8 / 16 mph 66 / 66°F 68% 1021 mb
Low level cloud: 27%
Mid level cloud: 1%
High level cloud: 8%
Most Significant Cloud Type: low
28%
0.0 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.
(More Info)

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