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Istres 14 Day Long Range Forecast

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

France

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

Reviewing the forecast for Istres Over the next 14 days and the average daytime maximum temperature will be around 11°C, with a high for the two weeks of 14°C expected on the afternoon of Saturday 31st. The average minimum temperature will be 7°C, dipping to its lowest on the morning of Thursday 29th at 5°C. Expect the next 14 days have some days seeing a little precipitation and some days with rain. The indicators are that Saturday 24th will have the most precipitation with an accumulation of around 22.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 22
Jan		16:00

NNE
NNE

 11 / 13 mph 50 / 45°F 83% 999 mb
Low level cloud: 85%
Mid level cloud: 73%
High level cloud: 22%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
19:00

NNW
NNW

 4 / 5 mph 49 / 48°F 84% 1000 mb
Low level cloud: 14%
Mid level cloud: 49%
High level cloud: 100%
Most Significant Cloud Type: medium
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

N
N

 3 / 3 mph 49 / 48°F 85% 1000 mb
Low level cloud: 6%
Mid level cloud: 13%
High level cloud: 2%
Most Significant Cloud Type: low
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 23
Jan		01:00

SE
SE

 4 / 7 mph 46 / 44°F 85% 1000 mb
Low level cloud: 7%
Mid level cloud: 22%
High level cloud: 3%
Most Significant Cloud Type: medium
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SE
SE

 7 / 13 mph 47 / 44°F 87% 999 mb
Low level cloud: 96%
Mid level cloud: 45%
High level cloud: 72%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ESE
ESE

 11 / 17 mph 49 / 45°F 82% 998 mb
Low level cloud: 78%
Mid level cloud: 25%
High level cloud: 95%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ESE
ESE

 14 / 20 mph 50 / 45°F 78% 999 mb
Low level cloud: 83%
Mid level cloud: 100%
High level cloud: 15%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SE
SE

 19 / 28 mph 52 / 46°F 79% 997 mb
Low level cloud: 98%
Mid level cloud: 84%
High level cloud: 7%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

 9 / 14 mph 53 / 49°F 74% 996 mb
Low level cloud: 63%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNE
NNE

 16 / 26 mph 45 / 38°F 83% 997 mb
Low level cloud: 0%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNW
NNW

 4 / 7 mph 45 / 44°F 89% 999 mb
Low level cloud: 14%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 24
Jan		01:00

NNE
NNE

 5 / 9 mph 45 / 42°F 89% 999 mb
Low level cloud: 12%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

E
E

 7 / 14 mph 46 / 42°F 86% 997 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
07:00

ESE
ESE

 12 / 20 mph 47 / 42°F 85% 996 mb
Low level cloud: 0%
Mid level cloud: 86%
High level cloud: 95%
Most Significant Cloud Type: medium
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ESE
ESE

 19 / 29 mph 51 / 45°F 76% 996 mb
Low level cloud: 1%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
13:00

SE
SE

 23 / 32 mph 51 / 44°F 73% 994 mb
Low level cloud: 79%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

E
E

 18 / 26 mph 47 / 40°F 84% 992 mb
Low level cloud: 94%
Mid level cloud: 26%
High level cloud: 90%
Most Significant Cloud Type: low
100%
Expect 0.6 In of precipitation over the past 3 hours.
0.6 In
19:00

SE
SE

 6 / 8 mph 46 / 43°F 86% 994 mb
Low level cloud: 69%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNE
NNE

 12 / 17 mph 44 / 38°F 81% 996 mb
Low level cloud: 42%
Mid level cloud: 97%
High level cloud: 7%
Most Significant Cloud Type: low
76%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Sun 25
Jan		01:00

NNW
NNW

 13 / 20 mph 43 / 36°F 84% 998 mb
Low level cloud: 74%
Mid level cloud: 74%
High level cloud: 12%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NW
NW

 9 / 14 mph 43 / 37°F 85% 1000 mb
Low level cloud: 1%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNW
NNW

 14 / 21 mph 42 / 35°F 79% 1001 mb
Low level cloud: 5%
Mid level cloud: 44%
High level cloud: 72%
Most Significant Cloud Type: medium
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NW
NW

 12 / 15 mph 43 / 36°F 83% 1003 mb
Low level cloud: 12%
Mid level cloud: 15%
High level cloud: 9%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

 15 / 18 mph 49 / 43°F 60% 1003 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WNW
WNW

 16 / 22 mph 51 / 45°F 62% 1003 mb
Low level cloud: 3%
Mid level cloud: 46%
High level cloud: 11%
Most Significant Cloud Type: medium
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

W
W

 14 / 21 mph 47 / 42°F 76% 1003 mb
Low level cloud: 3%
Mid level cloud: 64%
High level cloud: 3%
Most Significant Cloud Type: medium
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

W
W

 8 / 13 mph 47 / 44°F 77% 1003 mb
Low level cloud: 36%
Mid level cloud: 93%
High level cloud: 98%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 26
Jan		01:00

W
W

 9 / 18 mph 45 / 41°F 72% 1002 mb
Low level cloud: 5%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WNW
WNW

 16 / 29 mph 44 / 36°F 73% 1002 mb
Low level cloud: 0%
Mid level cloud: 63%
High level cloud: 0%
Most Significant Cloud Type: medium
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

 16 / 26 mph 44 / 36°F 74% 1003 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 3%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WNW
WNW

 15 / 19 mph 47 / 41°F 70% 1004 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 1%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

 15 / 21 mph 51 / 45°F 51% 1004 mb
Low level cloud: 0%
Mid level cloud: 90%
High level cloud: 19%
Most Significant Cloud Type: medium
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

 13 / 17 mph 51 / 46°F 56% 1005 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 13%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NW
NW

 10 / 12 mph 49 / 45°F 67% 1007 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 33%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

N
N

 10 / 13 mph 47 / 42°F 67% 1007 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 73%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 27
Jan		01:00

NNW
NNW

 4 / 6 mph 44 / 42°F 70% 1007 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 100%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NE
NE

 5 / 9 mph 43 / 40°F 67% 1006 mb
Low level cloud: 3%
Mid level cloud: 86%
High level cloud: 94%
Most Significant Cloud Type: medium
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ENE
ENE

 7 / 12 mph 44 / 40°F 63% 1006 mb
Low level cloud: 50%
Mid level cloud: 29%
High level cloud: 33%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

E
E

 8 / 12 mph 48 / 44°F 57% 1005 mb
Low level cloud: 7%
Mid level cloud: 42%
High level cloud: 17%
Most Significant Cloud Type: medium
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

E
E

 11 / 17 mph 52 / 47°F 61% 1003 mb
Low level cloud: 98%
Mid level cloud: 76%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ESE
ESE

 19 / 28 mph 53 / 47°F 76% 998 mb
Low level cloud: 89%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

 19 / 30 mph 56 / 51°F 85% 996 mb
Low level cloud: 38%
Mid level cloud: 16%
High level cloud: 100%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

 7 / 12 mph 53 / 51°F 87% 998 mb
Low level cloud: 58%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 28
Jan		01:00

W
W

 10 / 14 mph 51 / 47°F 92% 997 mb
Low level cloud: 36%
Mid level cloud: 100%
High level cloud: 80%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

W
W

 9 / 13 mph 49 / 46°F 84% 998 mb
Low level cloud: 9%
Mid level cloud: 47%
High level cloud: 36%
Most Significant Cloud Type: medium
74%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
07:00

NW
NW

 11 / 18 mph 46 / 41°F 90% 997 mb
Low level cloud: 27%
Mid level cloud: 37%
High level cloud: 87%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNW
NNW

 14 / 19 mph 47 / 41°F 76% 999 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 81%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

 15 / 18 mph 52 / 47°F 53% 999 mb
Low level cloud: 1%
Mid level cloud: 18%
High level cloud: 13%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

 11 / 15 mph 52 / 48°F 54% 998 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WNW
WNW

 11 / 17 mph 47 / 42°F 69% 999 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 11%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WNW
WNW

 9 / 14 mph 46 / 41°F 70% 1001 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 29
Jan		01:00

NNW
NNW

 22 / 40 mph 42 / 33°F 60% 1011 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 40%
Most Significant Cloud Type: medium
9%
0.0 In
07:00

ESE
ESE

 9 / 20 mph 51 / 47°F 87% 997 mb
Low level cloud: 99%
Mid level cloud: 45%
High level cloud: 34%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NE
NE

 3 / 6 mph 46 / 45°F 60% 1003 mb
Low level cloud: 32%
Mid level cloud: 77%
High level cloud: 49%
Most Significant Cloud Type: low
64%
0.0 In
19:00

E
E

 3 / 6 mph 51 / 51°F 69% 1009 mb
Low level cloud: 14%
Mid level cloud: 93%
High level cloud: 99%
Most Significant Cloud Type: medium
100%
0.0 In
Fri 30
Jan		01:00

NNW
NNW

 8 / 16 mph 50 / 47°F 80% 1018 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 1%
Most Significant Cloud Type: medium
43%
0.0 In
07:00

WNW
WNW

 16 / 33 mph 49 / 44°F 62% 1019 mb
Low level cloud: 12%
Mid level cloud: 7%
High level cloud: 32%
Most Significant Cloud Type: low
18%
0.0 In
13:00

NNW
NNW

 10 / 19 mph 56 / 53°F 57% 1016 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 3%
Most Significant Cloud Type: medium
10%
0.0 In
19:00

NW
NW

 4 / 8 mph 57 / 57°F 77% 1014 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
Sat 31
Jan		01:00

ENE
ENE

 2 / 4 mph 52 / 52°F 81% 1015 mb
Low level cloud: 63%
Mid level cloud: 7%
High level cloud: 100%
Most Significant Cloud Type: low
77%
0.0 In
07:00

N
N

 4 / 9 mph 50 / 49°F 82% 1012 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 22%
Most Significant Cloud Type: medium
2%
0.0 In
13:00

SE
SE

 18 / 37 mph 56 / 52°F 74% 1004 mb
Low level cloud: 47%
Mid level cloud: 100%
High level cloud: 1%
Most Significant Cloud Type: low
81%
0.0 In
19:00

S
S

 4 / 8 mph 56 / 56°F 68% 1007 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 85%
Most Significant Cloud Type: medium
100%
0.0 In
Sun 01
Feb		01:00

WNW
WNW

 11 / 23 mph 48 / 43°F 77% 1005 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 10%
Most Significant Cloud Type: medium
10%
0.2 In
07:00

NW
NW

 9 / 18 mph 49 / 45°F 87% 1008 mb
Low level cloud: 93%
Mid level cloud: 61%
High level cloud: 8%
Most Significant Cloud Type: low
100%
0.6 In
13:00

WNW
WNW

 19 / 39 mph 52 / 46°F 63% 1004 mb
Low level cloud: 6%
Mid level cloud: 43%
High level cloud: 14%
Most Significant Cloud Type: medium
59%
0.0 In
19:00

WNW
WNW

 8 / 17 mph 54 / 52°F 69% 1008 mb
Low level cloud: 0%
Mid level cloud: 42%
High level cloud: 16%
Most Significant Cloud Type: medium
42%
0.0 In
Mon 02
Feb		01:00

WNW
WNW

 12 / 25 mph 44 / 37°F 65% 1007 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 4%
Most Significant Cloud Type: medium
1%
0.0 In
07:00

WNW
WNW

 12 / 25 mph 51 / 47°F 74% 1008 mb
Low level cloud: 4%
Mid level cloud: 24%
High level cloud: 95%
Most Significant Cloud Type: medium
39%
0.0 In
13:00

ESE
ESE

 19 / 40 mph 49 / 42°F 67% 998 mb
Low level cloud: 98%
Mid level cloud: 92%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
19:00

WSW
WSW

 11 / 22 mph 54 / 51°F 63% 1010 mb
Low level cloud: 9%
Mid level cloud: 50%
High level cloud: 100%
Most Significant Cloud Type: medium
80%
0.0 In
Tue 03
Feb		01:00

SSE
SSE

 16 / 34 mph 52 / 47°F 78% 989 mb
Low level cloud: 24%
Mid level cloud: 29%
High level cloud: 15%
Most Significant Cloud Type: low
36%
0.9 In
07:00

NNE
NNE

 4 / 7 mph 50 / 49°F 79% 1008 mb
Low level cloud: 5%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: medium
60%
0.0 In
13:00

SSE
SSE

 20 / 41 mph 52 / 47°F 80% 990 mb
Low level cloud: 68%
Mid level cloud: 78%
High level cloud: 49%
Most Significant Cloud Type: low
100%
0.4 In
19:00

S
S

 6 / 12 mph 53 / 51°F 78% 1000 mb
Low level cloud: 86%
Mid level cloud: 89%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
Wed 04
Feb		01:00

W
W

 6 / 14 mph 49 / 46°F 82% 997 mb
Low level cloud: 98%
Mid level cloud: 87%
High level cloud: 90%
Most Significant Cloud Type: low
100%
0.2 In
07:00

W
W

 19 / 39 mph 50 / 44°F 78% 997 mb
Low level cloud: 2%
Mid level cloud: 42%
High level cloud: 0%
Most Significant Cloud Type: medium
48%
0.0 In
13:00

NNW
NNW

 8 / 17 mph 51 / 48°F 69% 1003 mb
Low level cloud: 38%
Mid level cloud: 100%
High level cloud: 21%
Most Significant Cloud Type: low
75%
0.0 In
19:00

WNW
WNW

 15 / 32 mph 55 / 51°F 62% 1001 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: medium
8%
0.0 In
Thu 05
Feb		01:00

NNW
NNW

 9 / 19 mph 44 / 38°F 80% 1002 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 4%
Most Significant Cloud Type: medium
30%
0.0 In
07:00

WNW
WNW

 13 / 26 mph 48 / 43°F 88% 998 mb
Low level cloud: 87%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NNW
NNW

 23 / 48 mph 49 / 42°F 57% 998 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

WNW
WNW

 16 / 33 mph 53 / 48°F 64% 996 mb
Low level cloud: 11%
Mid level cloud: 43%
High level cloud: 17%
Most Significant Cloud Type: medium
74%
0.0 In
Fri 06
Feb		01:00

NW
NW

 24 / 50 mph 44 / 35°F 61% 994 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
07:00

NNW
NNW

 23 / 47 mph 41 / 31°F 76% 1002 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
18%
0.0 In
13:00

NNW
NNW

 36 / 76 mph 49 / 40°F 55% 1002 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
19:00

NNW
NNW

 26 / 55 mph 45 / 36°F 49% 1010 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
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