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Greifswald 14 Day Long Range Forecast

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

Germany

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

For Greifswald in the coming two weeks the average daytime maximum temperature will be around 13°C, with a high for the two weeks of 17°C expected on the afternoon of Sunday 5th. The average minimum temperature will be 7°C, dipping to its lowest on the morning of Thursday 9th at 3°C. Expect the coming 14 days to have some days seeing a little precipitation and some days with rain. The indicators are that Sunday 5th will have the most precipitation with an accumulation of around 4.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sat 04
May
16:00

NNW
NNW

4 / 6 mph 62 / 60°F 81% 1016 mb
Low level cloud: 67%
Mid level cloud: 8%
High level cloud: 32%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

5 / 9 mph 58 / 55°F 89% 1015 mb
Low level cloud: 27%
Mid level cloud: 6%
High level cloud: 22%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

E
E

5 / 9 mph 52 / 51°F 94% 1014 mb
Low level cloud: 19%
Mid level cloud: 30%
High level cloud: 21%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 05
May
01:00

ESE
ESE

7 / 13 mph 52 / 49°F 97% 1013 mb
Low level cloud: 38%
Mid level cloud: 46%
High level cloud: 21%
Most Significant Cloud Type: low
56%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
04:00

ESE
ESE

8 / 13 mph 52 / 49°F 97% 1011 mb
Low level cloud: 30%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SE
SE

9 / 13 mph 54 / 51°F 95% 1009 mb
Low level cloud: 58%
Mid level cloud: 88%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

13 / 19 mph 62 / 61°F 79% 1009 mb
Low level cloud: 20%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSW
SSW

13 / 19 mph 60 / 60°F 79% 1008 mb
Low level cloud: 64%
Mid level cloud: 33%
High level cloud: 100%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

11 / 16 mph 63 / 61°F 70% 1008 mb
Low level cloud: 35%
Mid level cloud: 30%
High level cloud: 11%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

7 / 13 mph 57 / 54°F 81% 1007 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 10%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

8 / 15 mph 50 / 47°F 91% 1008 mb
Low level cloud: 2%
Mid level cloud: 24%
High level cloud: 32%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 06
May
01:00

SW
SW

9 / 16 mph 47 / 43°F 96% 1007 mb
Low level cloud: 45%
Mid level cloud: 53%
High level cloud: 8%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SW
SW

14 / 20 mph 48 / 42°F 90% 1007 mb
Low level cloud: 96%
Mid level cloud: 9%
High level cloud: 8%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WSW
WSW

14 / 18 mph 51 / 46°F 86% 1007 mb
Low level cloud: 94%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

12 / 16 mph 52 / 48°F 85% 1007 mb
Low level cloud: 85%
Mid level cloud: 52%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

W
W

13 / 17 mph 54 / 49°F 87% 1008 mb
Low level cloud: 71%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WNW
WNW

14 / 19 mph 58 / 54°F 74% 1008 mb
Low level cloud: 71%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WNW
WNW

9 / 15 mph 54 / 50°F 87% 1009 mb
Low level cloud: 7%
Mid level cloud: 3%
High level cloud: 9%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

7 / 15 mph 48 / 45°F 92% 1011 mb
Low level cloud: 5%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 07
May
01:00

NE
NE

12 / 21 mph 47 / 41°F 96% 1013 mb
Low level cloud: 70%
Mid level cloud: 19%
High level cloud: 12%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NE
NE

16 / 22 mph 46 / 39°F 93% 1015 mb
Low level cloud: 86%
Mid level cloud: 14%
High level cloud: 5%
Most Significant Cloud Type: low
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ENE
ENE

18 / 24 mph 47 / 39°F 83% 1017 mb
Low level cloud: 96%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ENE
ENE

17 / 21 mph 49 / 42°F 78% 1019 mb
Low level cloud: 78%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ENE
ENE

19 / 22 mph 51 / 44°F 67% 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
16:00

ENE
ENE

18 / 23 mph 49 / 42°F 61% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 22%
Most Significant Cloud Type: high
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ENE
ENE

13 / 21 mph 46 / 39°F 72% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 33%
Most Significant Cloud Type: high
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ENE
ENE

12 / 21 mph 43 / 37°F 75% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 08
May
01:00

ENE
ENE

11 / 21 mph 41 / 35°F 82% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

E
E

10 / 19 mph 40 / 34°F 78% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 21%
Most Significant Cloud Type: high
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

E
E

11 / 14 mph 46 / 41°F 70% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 25%
Most Significant Cloud Type: high
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ENE
ENE

11 / 13 mph 50 / 45°F 61% 1029 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 95%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ENE
ENE

12 / 13 mph 51 / 46°F 51% 1029 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 32%
Most Significant Cloud Type: medium
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ENE
ENE

11 / 13 mph 50 / 45°F 53% 1030 mb
Low level cloud: 0%
Mid level cloud: 30%
High level cloud: 11%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

7 / 11 mph 45 / 41°F 70% 1030 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 10%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ENE
ENE

5 / 9 mph 42 / 40°F 71% 1030 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 10%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 09
May
01:00

SE
SE

2 / 4 mph 40 / 40°F 74% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: high
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

W
W

4 / 8 mph 38 / 36°F 72% 1030 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 22%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

W
W

4 / 6 mph 45 / 43°F 59% 1029 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 12%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

W
W

5 / 6 mph 54 / 52°F 51% 1029 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 78%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

W
W

6 / 7 mph 59 / 57°F 56% 1027 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WNW
WNW

9 / 12 mph 58 / 56°F 61% 1026 mb
Low level cloud: 2%
Mid level cloud: 7%
High level cloud: 4%
Most Significant Cloud Type: low
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WNW
WNW

6 / 10 mph 54 / 51°F 79% 1025 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 3%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

W
W

7 / 14 mph 47 / 44°F 86% 1024 mb
Low level cloud: 12%
Mid level cloud: 32%
High level cloud: 100%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 10
May
01:00

W
W

8 / 15 mph 46 / 42°F 89% 1023 mb
Low level cloud: 1%
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

W
W

8 / 16 mph 43 / 38°F 93% 1022 mb
Low level cloud: 2%
Mid level cloud: 86%
High level cloud: 32%
Most Significant Cloud Type: medium
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

W
W

10 / 13 mph 49 / 44°F 83% 1021 mb
Low level cloud: 4%
Mid level cloud: 100%
High level cloud: 33%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

W
W

12 / 14 mph 55 / 51°F 71% 1020 mb
Low level cloud: 49%
Mid level cloud: 71%
High level cloud: 100%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WNW
WNW

11 / 15 mph 55 / 52°F 73% 1018 mb
Low level cloud: 83%
Mid level cloud: 67%
High level cloud: 17%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WNW
WNW

7 / 11 mph 50 / 47°F 92% 1017 mb
Low level cloud: 73%
Mid level cloud: 100%
High level cloud: 12%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

6 / 9 mph 49 / 46°F 94% 1015 mb
Low level cloud: 100%
Mid level cloud: 99%
High level cloud: 15%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WSW
WSW

6 / 8 mph 48 / 46°F 97% 1015 mb
Low level cloud: 100%
Mid level cloud: 96%
High level cloud: 7%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sat 11
May
01:00

W
W

4 / 7 mph 52 / 51°F 82% 1020 mb
Low level cloud: 6%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
39%
0.0 In
07:00

NW
NW

13 / 27 mph 53 / 49°F 91% 1016 mb
Low level cloud: 58%
Mid level cloud: 22%
High level cloud: 100%
Most Significant Cloud Type: low
77%
0.0 In
13:00

SSW
SSW

3 / 6 mph 66 / 66°F 58% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

ENE
ENE

10 / 21 mph 56 / 53°F 82% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
Sun 12
May
01:00

ENE
ENE

7 / 15 mph 48 / 44°F 87% 1019 mb
Low level cloud: 10%
Mid level cloud: 20%
High level cloud: 10%
Most Significant Cloud Type: low
18%
0.0 In
07:00

NNE
NNE

6 / 12 mph 52 / 50°F 65% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
13:00

NNE
NNE

19 / 36 mph 51 / 45°F 53% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

NNW
NNW

11 / 21 mph 49 / 45°F 70% 1018 mb
Low level cloud: 18%
Mid level cloud: 46%
High level cloud: 59%
Most Significant Cloud Type: low
41%
0.0 In
Mon 13
May
01:00

WNW
WNW

10 / 20 mph 46 / 41°F 75% 1023 mb
Low level cloud: 0%
Mid level cloud: 97%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
07:00

N
N

9 / 19 mph 48 / 43°F 73% 1020 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
0.0 In
13:00

NNE
NNE

12 / 22 mph 53 / 49°F 72% 1021 mb
Low level cloud: 91%
Mid level cloud: 21%
High level cloud: 8%
Most Significant Cloud Type: low
99%
0.0 In
19:00

ENE
ENE

6 / 12 mph 48 / 45°F 83% 1018 mb
Low level cloud: 82%
Mid level cloud: 26%
High level cloud: 7%
Most Significant Cloud Type: low
91%
0.1 In
Tue 14
May
01:00

E
E

5 / 9 mph 41 / 38°F 80% 1021 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 57%
Most Significant Cloud Type: medium
45%
0.0 In
07:00

ESE
ESE

6 / 12 mph 45 / 42°F 86% 1018 mb
Low level cloud: 50%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
65%
0.0 In
13:00

SE
SE

3 / 6 mph 54 / 54°F 65% 1017 mb
Low level cloud: 81%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
19:00

N
N

5 / 10 mph 48 / 46°F 69% 1017 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 8%
Most Significant Cloud Type: medium
6%
0.0 In
Wed 15
May
01:00

SSE
SSE

10 / 18 mph 46 / 41°F 98% 1008 mb
Low level cloud: 100%
Mid level cloud: 87%
High level cloud: 3%
Most Significant Cloud Type: low
100%
0.4 In
07:00

NNW
NNW

18 / 38 mph 45 / 37°F 72% 1011 mb
Low level cloud: 89%
Mid level cloud: 78%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NW
NW

9 / 18 mph 55 / 53°F 84% 1005 mb
Low level cloud: 87%
Mid level cloud: 37%
High level cloud: 0%
Most Significant Cloud Type: low
99%
0.2 In
19:00

NE
NE

12 / 25 mph 50 / 46°F 84% 1014 mb
Low level cloud: 8%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
66%
0.1 In
Thu 16
May
01:00

W
W

10 / 22 mph 47 / 42°F 91% 1007 mb
Low level cloud: 1%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
22%
0.1 In
07:00

NNE
NNE

7 / 14 mph 46 / 42°F 89% 1014 mb
Low level cloud: 98%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
13:00

S
S

7 / 16 mph 57 / 56°F 68% 1006 mb
Low level cloud: 68%
Mid level cloud: 61%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
19:00

ENE
ENE

13 / 28 mph 50 / 45°F 81% 1016 mb
Low level cloud: 29%
Mid level cloud: 6%
High level cloud: 9%
Most Significant Cloud Type: low
31%
0.0 In
Fri 17
May
01:00

WNW
WNW

20 / 42 mph 49 / 42°F 92% 1002 mb
Low level cloud: 84%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
88%
0.1 In
07:00

E
E

15 / 31 mph 51 / 46°F 78% 1018 mb
Low level cloud: 1%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
13:00

W
W

14 / 30 mph 53 / 48°F 66% 1007 mb
Low level cloud: 28%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
37%
0.0 In
19:00

NE
NE

13 / 28 mph 48 / 43°F 76% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
2%
0.0 In
Sat 18
May
01:00

WSW
WSW

15 / 32 mph 43 / 35°F 90% 1011 mb
Low level cloud: 37%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
39%
0.1 In
07:00

ENE
ENE

10 / 21 mph 52 / 48°F 86% 1017 mb
Low level cloud: 14%
Mid level cloud: 18%
High level cloud: 12%
Most Significant Cloud Type: low
21%
0.0 In
13:00

W
W

21 / 44 mph 51 / 44°F 64% 1016 mb
Low level cloud: 79%
Mid level cloud: 45%
High level cloud: 7%
Most Significant Cloud Type: low
95%
0.0 In
19:00

NW
NW

7 / 15 mph 54 / 52°F 80% 1017 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 30%
Most Significant Cloud Type: medium
5%
0.0 In
Sun 19
May
01:00

W
W

12 / 26 mph 42 / 35°F 88% 1018 mb
Low level cloud: 14%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
14%
0.0 In
07:00

WSW
WSW

13 / 27 mph 50 / 45°F 86% 1016 mb
Low level cloud: 19%
Mid level cloud: 13%
High level cloud: 10%
Most Significant Cloud Type: low
24%
0.0 In
13:00

WNW
WNW

10 / 20 mph 51 / 48°F 72% 1019 mb
Low level cloud: 87%
Mid level cloud: 70%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
19:00

WNW
WNW

18 / 37 mph 55 / 50°F 75% 1015 mb
Low level cloud: 9%
Mid level cloud: 77%
High level cloud: 7%
Most Significant Cloud Type: medium
100%
0.0 In

Other Locations Near to Greifswald

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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