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Walton 14 Day Long Range Forecast

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

Buckinghamshire, United Kingdom

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

The next 14 day outlook for Walton shows the average daytime maximum temperature will be around 18°C, with a high for the two weeks of 21°C expected on the afternoon of Friday 17th. The mean minimum temperature will be 10°C, dipping to its lowest on the morning of Sunday 19th at 7°C. The coming 14 days will have most days seeing a little rain. It looks like Thursday 23rd will have the most precipitation with an accumulation of around 5.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityCloud AmountPrecip AmountWeather
Fri 17
May		00:00

SSW
SSW

 2 / 4 kts 55 / 55°F 91%
Low level cloud: 12%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

S
S

 3 / 7 kts 51 / 50°F 94%
Low level cloud: 10%
Mid level cloud: 26%
High level cloud: 100%
Most Significant Cloud Type: medium
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 2 / 3 kts 54 / 53°F 91%
Low level cloud: 4%
Mid level cloud: 10%
High level cloud: 46%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

S
S

 2 / 2 kts 63 / 60°F 75%
Low level cloud: 2%
Mid level cloud: 18%
High level cloud: 76%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSE
SSE

 2 / 2 kts 68 / 65°F 64%
Low level cloud: 17%
Mid level cloud: 7%
High level cloud: 10%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 2 / 2 kts 70 / 67°F 61%
Low level cloud: 63%
Mid level cloud: 4%
High level cloud: 22%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

N
N

 4 / 6 kts 66 / 64°F 83%
Low level cloud: 1%
Mid level cloud: 19%
High level cloud: 32%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

 4 / 9 kts 56 / 55°F 92%
Low level cloud: 5%
Mid level cloud: 30%
High level cloud: 32%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 18
May		00:00

NNE
NNE

 4 / 9 kts 53 / 52°F 97%
Low level cloud: 34%
Mid level cloud: 26%
High level cloud: 100%
Most Significant Cloud Type: low
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

 5 / 10 kts 51 / 48°F 97%
Low level cloud: 35%
Mid level cloud: 87%
High level cloud: 33%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

 6 / 9 kts 52 / 49°F 96%
Low level cloud: 62%
Mid level cloud: 97%
High level cloud: 51%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

 8 / 9 kts 56 / 53°F 93%
Low level cloud: 97%
Mid level cloud: 77%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

 7 / 8 kts 59 / 57°F 91%
Low level cloud: 96%
Mid level cloud: 46%
High level cloud: 19%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

 7 / 9 kts 64 / 63°F 83%
Low level cloud: 80%
Mid level cloud: 24%
High level cloud: 3%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNE
NNE

 8 / 11 kts 64 / 62°F 89%
Low level cloud: 23%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

NNE
NNE

 8 / 13 kts 53 / 51°F 97%
Low level cloud: 46%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 19
May		00:00

NNE
NNE

 6 / 12 kts 48 / 45°F 98%
Low level cloud: 33%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

 6 / 13 kts 45 / 41°F 97%
Low level cloud: 16%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

 7 / 11 kts 49 / 45°F 95%
Low level cloud: 17%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

 10 / 12 kts 60 / 57°F 79%
Low level cloud: 12%
Mid level cloud: 2%
High level cloud: 17%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNE
NNE

 11 / 13 kts 65 / 64°F 69%
Low level cloud: 39%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

 12 / 14 kts 65 / 64°F 66%
Low level cloud: 4%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNE
NNE

 11 / 13 kts 62 / 61°F 79%
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
21:00

NNE
NNE

 8 / 15 kts 50 / 46°F 94%
Low level cloud: 10%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May		00:00

NNE
NNE

 9 / 15 kts 48 / 43°F 98%
Low level cloud: 85%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

 10 / 14 kts 48 / 42°F 92%
Low level cloud: 63%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

 9 / 12 kts 48 / 43°F 92%
Low level cloud: 61%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

 12 / 13 kts 56 / 52°F 76%
Low level cloud: 27%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNE
NNE

 12 / 13 kts 62 / 61°F 68%
Low level cloud: 34%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

 11 / 13 kts 62 / 61°F 65%
Low level cloud: 6%
Mid level cloud: 46%
High level cloud: 6%
Most Significant Cloud Type: medium
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNE
NNE

 8 / 11 kts 57 / 54°F 79%
Low level cloud: 1%
Mid level cloud: 46%
High level cloud: 6%
Most Significant Cloud Type: medium
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

 5 / 8 kts 51 / 48°F 88%
Low level cloud: 76%
Mid level cloud: 96%
High level cloud: 5%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May		00:00

N
N

 4 / 7 kts 47 / 45°F 96%
Low level cloud: 96%
Mid level cloud: 44%
High level cloud: 2%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

 3 / 5 kts 49 / 47°F 94%
Low level cloud: 100%
Mid level cloud: 31%
High level cloud: 1%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

 3 / 4 kts 50 / 49°F 94%
Low level cloud: 99%
Mid level cloud: 21%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

 3 / 3 kts 53 / 52°F 93%
Low level cloud: 93%
Mid level cloud: 16%
High level cloud: 16%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

 2 / 2 kts 57 / 57°F 85%
Low level cloud: 86%
Mid level cloud: 16%
High level cloud: 33%
Most Significant Cloud Type: low
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNW
NNW

 3 / 3 kts 61 / 59°F 80%
Low level cloud: 67%
Mid level cloud: 22%
High level cloud: 15%
Most Significant Cloud Type: low
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

N
N

 3 / 4 kts 62 / 59°F 84%
Low level cloud: 24%
Mid level cloud: 47%
High level cloud: 11%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NW
NW

 2 / 3 kts 55 / 56°F 88%
Low level cloud: 54%
Mid level cloud: 52%
High level cloud: 20%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May		00:00

WNW
WNW

 2 / 4 kts 54 / 54°F 91%
Low level cloud: 39%
Mid level cloud: 46%
High level cloud: 98%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 3 / 6 kts 53 / 52°F 94%
Low level cloud: 22%
Mid level cloud: 57%
High level cloud: 17%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 5 / 7 kts 53 / 51°F 91%
Low level cloud: 13%
Mid level cloud: 76%
High level cloud: 32%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 6 / 8 kts 57 / 55°F 84%
Low level cloud: 69%
Mid level cloud: 83%
High level cloud: 34%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

 7 / 10 kts 59 / 59°F 85%
Low level cloud: 88%
Mid level cloud: 44%
High level cloud: 80%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

 8 / 12 kts 63 / 61°F 82%
Low level cloud: 50%
Mid level cloud: 46%
High level cloud: 38%
Most Significant Cloud Type: low
70%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

W
W

 6 / 9 kts 63 / 60°F 88%
Low level cloud: 3%
Mid level cloud: 44%
High level cloud: 14%
Most Significant Cloud Type: medium
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

 5 / 10 kts 54 / 51°F 93%
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 21%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 23
May		00:00

W
W

 4 / 7 kts 50 / 48°F 95%
Low level cloud: 7%
Mid level cloud: 12%
High level cloud: 15%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 2 / 5 kts 47 / 47°F 94%
Low level cloud: 11%
Mid level cloud: 25%
High level cloud: 19%
Most Significant Cloud Type: low
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NW
NW

 2 / 4 kts 52 / 50°F 92%
Low level cloud: 23%
Mid level cloud: 30%
High level cloud: 33%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

 5 / 5 kts 61 / 59°F 79%
Low level cloud: 71%
Mid level cloud: 28%
High level cloud: 32%
Most Significant Cloud Type: low
84%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

 5 / 7 kts 63 / 62°F 73%
Low level cloud: 74%
Mid level cloud: 48%
High level cloud: 61%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

 3 / 5 kts 66 / 63°F 73%
Low level cloud: 23%
Mid level cloud: 52%
High level cloud: 47%
Most Significant Cloud Type: low
46%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

WNW
WNW

 4 / 8 kts 59 / 58°F 87%
Low level cloud: 12%
Mid level cloud: 100%
High level cloud: 57%
Most Significant Cloud Type: medium
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

NNW
NNW

 5 / 12 kts 55 / 51°F 94%
Low level cloud: 3%
Mid level cloud: 33%
High level cloud: 54%
Most Significant Cloud Type: medium
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityCloud AmountPrecip AmountWeather
Fri 24
May		00:00

NNW
NNW

 6 / 13 kts 51 / 48°F 99%
Low level cloud: 96%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
06:00

NE
NE

 1 / 2 kts 52 / 52°F 92%
Low level cloud: 35%
Mid level cloud: 72%
High level cloud: 100%
Most Significant Cloud Type: low
72%
0.0 In
12:00

ENE
ENE

 9 / 19 kts 59 / 59°F 87%
Low level cloud: 81%
Mid level cloud: 60%
High level cloud: 79%
Most Significant Cloud Type: low
100%
0.0 In
18:00

SE
SE

 5 / 12 kts 65 / 65°F 84%
Low level cloud: 16%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
25%
0.0 In
Sat 25
May		00:00

NE
NE

 12 / 26 kts 52 / 48°F 98%
Low level cloud: 90%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
94%
0.0 In
06:00

NW
NW

 3 / 6 kts 60 / 60°F 92%
Low level cloud: 21%
Mid level cloud: 4%
High level cloud: 1%
Most Significant Cloud Type: low
22%
0.0 In
12:00

ENE
ENE

 15 / 32 kts 66 / 66°F 70%
Low level cloud: 23%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
25%
0.0 In
18:00

W
W

 8 / 17 kts 64 / 64°F 82%
Low level cloud: 1%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: medium
11%
0.0 In
Sun 26
May		00:00

ENE
ENE

 7 / 16 kts 50 / 47°F 96%
Low level cloud: 42%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
49%
0.0 In
06:00

WSW
WSW

 7 / 15 kts 57 / 55°F 98%
Low level cloud: 91%
Mid level cloud: 90%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
12:00

ESE
ESE

 10 / 22 kts 60 / 60°F 89%
Low level cloud: 67%
Mid level cloud: 34%
High level cloud: 0%
Most Significant Cloud Type: low
78%
0.1 In
18:00

NW
NW

 5 / 10 kts 65 / 65°F 91%
Low level cloud: 69%
Mid level cloud: 46%
High level cloud: 6%
Most Significant Cloud Type: low
85%
0.1 In
Mon 27
May		00:00

NNE
NNE

 5 / 11 kts 57 / 56°F 97%
Low level cloud: 50%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
58%
0.2 In
06:00

NW
NW

 4 / 9 kts 56 / 55°F 88%
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 6%
Most Significant Cloud Type: medium
15%
0.0 In
12:00

NNE
NNE

 13 / 29 kts 66 / 66°F 69%
Low level cloud: 39%
Mid level cloud: 15%
High level cloud: 65%
Most Significant Cloud Type: low
51%
0.0 In
18:00

W
W

 4 / 9 kts 69 / 69°F 81%
Low level cloud: 56%
Mid level cloud: 31%
High level cloud: 3%
Most Significant Cloud Type: low
67%
0.0 In
Tue 28
May		00:00

NNE
NNE

 6 / 13 kts 49 / 46°F 88%
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 7%
Most Significant Cloud Type: medium
21%
0.0 In
06:00

SW
SW

 6 / 13 kts 59 / 58°F 94%
Low level cloud: 48%
Mid level cloud: 44%
High level cloud: 4%
Most Significant Cloud Type: low
64%
0.0 In
12:00

NNE
NNE

 6 / 14 kts 66 / 66°F 66%
Low level cloud: 19%
Mid level cloud: 0%
High level cloud: 19%
Most Significant Cloud Type: low
20%
0.0 In
18:00

NW
NW

 10 / 22 kts 49 / 44°F 97%
Low level cloud: 97%
Mid level cloud: 93%
High level cloud: 13%
Most Significant Cloud Type: low
100%
0.1 In
Wed 29
May		00:00

NE
NE

 5 / 10 kts 51 / 48°F 96%
Low level cloud: 9%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
9%
0.0 In
06:00

WNW
WNW

 8 / 17 kts 46 / 41°F 93%
Low level cloud: 30%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
31%
0.1 In
12:00

NE
NE

 6 / 14 kts 65 / 65°F 68%
Low level cloud: 36%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
36%
0.0 In
18:00

WNW
WNW

 7 / 16 kts 55 / 52°F 82%
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
46%
0.0 In
Thu 30
May		00:00

NE
NE

 6 / 13 kts 52 / 49°F 98%
Low level cloud: 48%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
06:00

WNW
WNW

 4 / 9 kts 50 / 49°F 90%
Low level cloud: 14%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
20%
0.0 In
12:00

NE
NE

 11 / 24 kts 67 / 67°F 71%
Low level cloud: 60%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
61%
0.0 In
18:00

SW
SW

 3 / 8 kts 61 / 61°F 74%
Low level cloud: 26%
Mid level cloud: 2%
High level cloud: 13%
Most Significant Cloud Type: low
28%
0.0 In
Fri 31
May		00:00

NNE
NNE

 9 / 19 kts 49 / 45°F 97%
Low level cloud: 29%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
31%
0.0 In
06:00

S
S

 9 / 20 kts 50 / 46°F 92%
Low level cloud: 39%
Mid level cloud: 73%
High level cloud: 22%
Most Significant Cloud Type: low
67%
0.0 In
12:00

NNE
NNE

 13 / 28 kts 65 / 65°F 68%
Low level cloud: 32%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
32%
0.0 In
18:00

SSW
SSW

 9 / 19 kts 54 / 51°F 99%
Low level cloud: 99%
Mid level cloud: 55%
High level cloud: 5%
Most Significant Cloud Type: low
100%
0.2 In
Sat 01
Jun		00:00

N
N

 8 / 18 kts 48 / 43°F 92%
Low level cloud: 1%
Mid level cloud: 14%
High level cloud: 9%
Most Significant Cloud Type: medium
18%
0.0 In
06:00

WSW
WSW

 5 / 11 kts 53 / 51°F 94%
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

 14 / 31 kts 60 / 60°F 74%
Low level cloud: 10%
Mid level cloud: 32%
High level cloud: 33%
Most Significant Cloud Type: medium
61%
0.0 In
18:00

SSW
SSW

 12 / 26 kts 57 / 53°F 79%
Low level cloud: 4%
Mid level cloud: 8%
High level cloud: 7%
Most Significant Cloud Type: low
7%
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.
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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