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The Forties 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for The Forties

Derbyshire, United Kingdom

Long range weather outlook for The Forties includes 14 day forecast summary:

The outlook for The Forties in the two weeks ahead shows 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 Sunday 19th. The mean minimum temperature will be 9°C, dipping to its lowest on the morning of Tuesday 21st at 6°C. Expect the coming 14 days to have some days seeing a little precipitation and some days with rain. The indicators are that Sunday 26th will have the most precipitation with an accumulation of around 6.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sun 19
May
12:00

NE
NE

12 / 13 mph 66 / 65°F 64% 1016 mb
Low level cloud: 1%
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
15:00

NE
NE

11 / 15 mph 67 / 65°F 60% 1015 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
18:00

ENE
ENE

10 / 11 mph 67 / 65°F 76% 1016 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
21:00

NE
NE

7 / 8 mph 58 / 55°F 92% 1017 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
Mon 20
May
00:00

NE
NE

7 / 12 mph 48 / 44°F 96% 1017 mb
Low level cloud: 8%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NE
NE

7 / 13 mph 45 / 40°F 98% 1017 mb
Low level cloud: 86%
Mid level cloud: 8%
High level cloud: 10%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NE
NE

11 / 15 mph 49 / 44°F 90% 1017 mb
Low level cloud: 90%
Mid level cloud: 20%
High level cloud: 9%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NE
NE

11 / 14 mph 54 / 50°F 83% 1017 mb
Low level cloud: 96%
Mid level cloud: 46%
High level cloud: 13%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

11 / 13 mph 60 / 60°F 74% 1015 mb
Low level cloud: 100%
Mid level cloud: 39%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

8 / 12 mph 60 / 60°F 78% 1014 mb
Low level cloud: 86%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ENE
ENE

10 / 14 mph 60 / 57°F 77% 1013 mb
Low level cloud: 34%
Mid level cloud: 30%
High level cloud: 8%
Most Significant Cloud Type: low
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NE
NE

7 / 14 mph 49 / 45°F 80% 1013 mb
Low level cloud: 0%
Mid level cloud: 70%
High level cloud: 6%
Most Significant Cloud Type: medium
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May
00:00

NNE
NNE

7 / 13 mph 44 / 40°F 84% 1013 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 4%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

7 / 13 mph 43 / 39°F 86% 1012 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 2%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

7 / 11 mph 48 / 44°F 76% 1011 mb
Low level cloud: 35%
Mid level cloud: 60%
High level cloud: 100%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

5 / 7 mph 49 / 47°F 85% 1010 mb
Low level cloud: 73%
Mid level cloud: 91%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

6 / 9 mph 50 / 47°F 89% 1010 mb
Low level cloud: 98%
Mid level cloud: 83%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
15:00

NW
NW

4 / 6 mph 53 / 52°F 90% 1009 mb
Low level cloud: 100%
Mid level cloud: 83%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

5 / 6 mph 53 / 51°F 94% 1009 mb
Low level cloud: 94%
Mid level cloud: 57%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

4 / 6 mph 51 / 50°F 94% 1009 mb
Low level cloud: 67%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: low
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May
00:00

W
W

4 / 7 mph 50 / 48°F 95% 1008 mb
Low level cloud: 38%
Mid level cloud: 32%
High level cloud: 32%
Most Significant Cloud Type: low
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WSW
WSW

6 / 10 mph 49 / 47°F 95% 1008 mb
Low level cloud: 22%
Mid level cloud: 24%
High level cloud: 100%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

6 / 10 mph 52 / 48°F 94% 1008 mb
Low level cloud: 19%
Mid level cloud: 30%
High level cloud: 46%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

9 / 11 mph 58 / 55°F 85% 1008 mb
Low level cloud: 53%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

11 / 14 mph 61 / 61°F 78% 1008 mb
Low level cloud: 81%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

11 / 15 mph 61 / 61°F 77% 1009 mb
Low level cloud: 86%
Mid level cloud: 40%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

WNW
WNW

10 / 13 mph 61 / 60°F 79% 1010 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 8%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

8 / 13 mph 53 / 49°F 92% 1012 mb
Low level cloud: 2%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 23
May
00:00

W
W

6 / 11 mph 49 / 47°F 96% 1014 mb
Low level cloud: 27%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

W
W

7 / 13 mph 48 / 44°F 97% 1015 mb
Low level cloud: 45%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

12 / 16 mph 51 / 46°F 89% 1016 mb
Low level cloud: 93%
Mid level cloud: 13%
High level cloud: 10%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

9 / 10 mph 56 / 54°F 78% 1018 mb
Low level cloud: 100%
Mid level cloud: 8%
High level cloud: 17%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

8 / 10 mph 57 / 54°F 86% 1019 mb
Low level cloud: 86%
Mid level cloud: 5%
High level cloud: 17%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

10 / 13 mph 57 / 55°F 82% 1020 mb
Low level cloud: 85%
Mid level cloud: 46%
High level cloud: 31%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

10 / 13 mph 56 / 53°F 89% 1021 mb
Low level cloud: 62%
Mid level cloud: 47%
High level cloud: 21%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

E
E

7 / 11 mph 53 / 49°F 89% 1022 mb
Low level cloud: 35%
Mid level cloud: 28%
High level cloud: 16%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 24
May
00:00

ENE
ENE

6 / 10 mph 46 / 43°F 95% 1023 mb
Low level cloud: 24%
Mid level cloud: 46%
High level cloud: 11%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

5 / 9 mph 44 / 41°F 94% 1023 mb
Low level cloud: 16%
Mid level cloud: 46%
High level cloud: 2%
Most Significant Cloud Type: medium
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

E
E

4 / 5 mph 47 / 45°F 88% 1023 mb
Low level cloud: 17%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SE
SE

6 / 7 mph 57 / 54°F 76% 1023 mb
Low level cloud: 41%
Mid level cloud: 15%
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

SSE
SSE

9 / 10 mph 60 / 60°F 72% 1022 mb
Low level cloud: 97%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSE
SSE

9 / 12 mph 62 / 62°F 72% 1021 mb
Low level cloud: 88%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SE
SE

7 / 11 mph 62 / 60°F 83% 1021 mb
Low level cloud: 75%
Mid level cloud: 33%
High level cloud: 4%
Most Significant Cloud Type: low
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSE
SSE

6 / 12 mph 56 / 53°F 94% 1022 mb
Low level cloud: 70%
Mid level cloud: 46%
High level cloud: 4%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 25
May
00:00

SSE
SSE

7 / 12 mph 52 / 50°F 97% 1022 mb
Low level cloud: 84%
Mid level cloud: 11%
High level cloud: 77%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSE
SSE

6 / 10 mph 51 / 49°F 94% 1021 mb
Low level cloud: 22%
Mid level cloud: 11%
High level cloud: 32%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SE
SE

6 / 8 mph 51 / 48°F 90% 1020 mb
Low level cloud: 7%
Mid level cloud: 46%
High level cloud: 20%
Most Significant Cloud Type: medium
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SE
SE

11 / 13 mph 59 / 56°F 80% 1019 mb
Low level cloud: 58%
Mid level cloud: 24%
High level cloud: 100%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSE
SSE

14 / 19 mph 64 / 63°F 80% 1017 mb
Low level cloud: 63%
Mid level cloud: 45%
High level cloud: 90%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

S
S

14 / 20 mph 64 / 63°F 85% 1014 mb
Low level cloud: 19%
Mid level cloud: 51%
High level cloud: 100%
Most Significant Cloud Type: low
48%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

SSW
SSW

12 / 19 mph 61 / 60°F 89% 1013 mb
Low level cloud: 17%
Mid level cloud: 21%
High level cloud: 75%
Most Significant Cloud Type: low
33%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

SSW
SSW

11 / 18 mph 56 / 52°F 89% 1013 mb
Low level cloud: 0%
Mid level cloud: 64%
High level cloud: 100%
Most Significant Cloud Type: medium
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sun 26
May
00:00

ESE
ESE

5 / 11 mph 56 / 55°F 97% 1015 mb
Low level cloud: 47%
Mid level cloud: 46%
High level cloud: 74%
Most Significant Cloud Type: low
100%
0.0 In
06:00

SE
SE

4 / 9 mph 53 / 52°F 89% 1020 mb
Low level cloud: 56%
Mid level cloud: 91%
High level cloud: 94%
Most Significant Cloud Type: low
98%
0.0 In
12:00

S
S

9 / 20 mph 63 / 63°F 71% 1006 mb
Low level cloud: 45%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: low
58%
0.0 In
18:00

ESE
ESE

10 / 21 mph 66 / 66°F 84% 1013 mb
Low level cloud: 5%
Mid level cloud: 49%
High level cloud: 99%
Most Significant Cloud Type: medium
65%
0.0 In
Mon 27
May
00:00

SW
SW

7 / 15 mph 53 / 51°F 97% 1015 mb
Low level cloud: 32%
Mid level cloud: 77%
High level cloud: 4%
Most Significant Cloud Type: low
100%
0.0 In
06:00

NNE
NNE

13 / 24 mph 53 / 49°F 92% 1020 mb
Low level cloud: 53%
Mid level cloud: 25%
High level cloud: 6%
Most Significant Cloud Type: low
62%
0.0 In
12:00

NE
NE

11 / 21 mph 57 / 55°F 83% 1019 mb
Low level cloud: 88%
Mid level cloud: 28%
High level cloud: 19%
Most Significant Cloud Type: low
100%
0.0 In
18:00

NW
NW

11 / 22 mph 61 / 61°F 81% 1016 mb
Low level cloud: 24%
Mid level cloud: 31%
High level cloud: 33%
Most Significant Cloud Type: low
38%
0.0 In
Tue 28
May
00:00

NNE
NNE

10 / 19 mph 49 / 45°F 88% 1021 mb
Low level cloud: 1%
Mid level cloud: 45%
High level cloud: 87%
Most Significant Cloud Type: medium
51%
0.0 In
06:00

NNE
NNE

5 / 10 mph 55 / 54°F 91% 1018 mb
Low level cloud: 51%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
59%
0.0 In
12:00

NE
NE

18 / 36 mph 62 / 62°F 63% 1020 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 5%
Most Significant Cloud Type: medium
21%
0.0 In
18:00

NE
NE

5 / 11 mph 68 / 68°F 73% 1017 mb
Low level cloud: 22%
Mid level cloud: 4%
High level cloud: 1%
Most Significant Cloud Type: low
23%
0.0 In
Wed 29
May
00:00

NNE
NNE

14 / 28 mph 51 / 45°F 83% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 33%
Most Significant Cloud Type: high
32%
0.0 In
06:00

NE
NE

6 / 13 mph 53 / 51°F 92% 1018 mb
Low level cloud: 41%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
51%
0.0 In
12:00

NE
NE

18 / 35 mph 64 / 64°F 69% 1017 mb
Low level cloud: 47%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
51%
0.0 In
18:00

ESE
ESE

2 / 5 mph 64 / 64°F 87% 1015 mb
Low level cloud: 51%
Mid level cloud: 38%
High level cloud: 0%
Most Significant Cloud Type: low
64%
0.0 In
Thu 30
May
00:00

NNE
NNE

12 / 24 mph 52 / 47°F 87% 1018 mb
Low level cloud: 95%
Mid level cloud: 14%
High level cloud: 64%
Most Significant Cloud Type: low
100%
0.0 In
06:00

NE
NE

8 / 16 mph 54 / 52°F 96% 1015 mb
Low level cloud: 67%
Mid level cloud: 10%
High level cloud: 1%
Most Significant Cloud Type: low
70%
0.0 In
12:00

NNE
NNE

12 / 23 mph 57 / 54°F 88% 1017 mb
Low level cloud: 98%
Mid level cloud: 22%
High level cloud: 4%
Most Significant Cloud Type: low
100%
0.0 In
18:00

ENE
ENE

13 / 28 mph 64 / 64°F 89% 1011 mb
Low level cloud: 15%
Mid level cloud: 12%
High level cloud: 98%
Most Significant Cloud Type: low
31%
0.2 In
Fri 31
May
00:00

NNE
NNE

7 / 15 mph 56 / 54°F 88% 1017 mb
Low level cloud: 93%
Mid level cloud: 14%
High level cloud: 2%
Most Significant Cloud Type: low
98%
0.0 In
06:00

NE
NE

14 / 29 mph 52 / 48°F 97% 1009 mb
Low level cloud: 86%
Mid level cloud: 24%
High level cloud: 98%
Most Significant Cloud Type: low
100%
0.0 In
12:00

NNE
NNE

8 / 15 mph 61 / 61°F 91% 1015 mb
Low level cloud: 99%
Mid level cloud: 75%
High level cloud: 20%
Most Significant Cloud Type: low
100%
0.0 In
18:00

WSW
WSW

2 / 5 mph 62 / 62°F 97% 1009 mb
Low level cloud: 68%
Mid level cloud: 93%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.7 In
Sat 01
Jun
00:00

NE
NE

8 / 15 mph 57 / 56°F 99% 1012 mb
Low level cloud: 97%
Mid level cloud: 54%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
06:00

SW
SW

5 / 10 mph 58 / 57°F 96% 1010 mb
Low level cloud: 70%
Mid level cloud: 2%
High level cloud: 8%
Most Significant Cloud Type: low
71%
0.2 In
12:00

NE
NE

2 / 5 mph 59 / 60°F 98% 1009 mb
Low level cloud: 99%
Mid level cloud: 80%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.6 In
18:00

SSE
SSE

6 / 12 mph 65 / 65°F 89% 1011 mb
Low level cloud: 24%
Mid level cloud: 45%
High level cloud: 70%
Most Significant Cloud Type: low
47%
0.1 In
Sun 02
Jun
00:00

SSW
SSW

1 / 2 mph 58 / 58°F 96% 1009 mb
Low level cloud: 59%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
62%
0.1 In
06:00

NE
NE

7 / 15 mph 54 / 53°F 97% 1010 mb
Low level cloud: 44%
Mid level cloud: 97%
High level cloud: 100%
Most Significant Cloud Type: low
89%
0.1 In
12:00

SSW
SSW

5 / 11 mph 69 / 69°F 68% 1011 mb
Low level cloud: 60%
Mid level cloud: 6%
High level cloud: 78%
Most Significant Cloud Type: low
71%
0.0 In
18:00

SSE
SSE

2 / 4 mph 61 / 62°F 87% 1010 mb
Low level cloud: 81%
Mid level cloud: 25%
High level cloud: 51%
Most Significant Cloud Type: low
95%
0.1 In
Mon 03
Jun
00:00

SW
SW

0 / 0 mph 63 / 63°F 89% 1013 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 97%
Most Significant Cloud Type: medium
26%
0.0 In
06:00

SE
SE

4 / 9 mph 53 / 53°F 94% 1011 mb
Low level cloud: 69%
Mid level cloud: 57%
High level cloud: 0%
Most Significant Cloud Type: low
88%
0.0 In
12:00

ENE
ENE

15 / 31 mph 68 / 68°F 78% 1011 mb
Low level cloud: 55%
Mid level cloud: 19%
High level cloud: 67%
Most Significant Cloud Type: low
69%
0.0 In
18:00

S
S

8 / 17 mph 65 / 65°F 81% 1011 mb
Low level cloud: 9%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
11%
0.1 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