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Hamburg 14 Day Long Range Forecast

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

Germany

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

For Hamburg in the coming two weeks the average daytime maximum temperature will be around 18°C, with a high for the two weeks of 24°C expected on the afternoon of Wednesday 14th. The mean minimum temperature will be 7°C, dipping to its lowest on the morning of Tuesday 6th at 4°C. Expect the next 14 days have mixed overhead conditions with some days dry and some seeing a significant amount of rain. Predictions are Friday 9th will have the most precipitation with an accumulation of around 1.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Tue 06
May		16:00

NNE
NNE

 10 / 11 mph 63 / 61°F 45% 1017 mb
Low level cloud: 13%
Mid level cloud: 8%
High level cloud: 6%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

 9 / 12 mph 56 / 52°F 68% 1018 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 3%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNE
NNE

 6 / 12 mph 44 / 40°F 85% 1020 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 54%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 07
May		01:00

NE
NE

 4 / 9 mph 42 / 39°F 82% 1021 mb
Low level cloud: 0%
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

ENE
ENE

 3 / 6 mph 43 / 41°F 81% 1021 mb
Low level cloud: 0%
Mid level cloud: 98%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ENE
ENE

 3 / 4 mph 49 / 48°F 69% 1022 mb
Low level cloud: 0%
Mid level cloud: 47%
High level cloud: 100%
Most Significant Cloud Type: medium
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

E
E

 5 / 5 mph 58 / 56°F 50% 1022 mb
Low level cloud: 0%
Mid level cloud: 30%
High level cloud: 18%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

E
E

 6 / 7 mph 64 / 61°F 42% 1021 mb
Low level cloud: 2%
Mid level cloud: 45%
High level cloud: 18%
Most Significant Cloud Type: medium
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

E
E

 8 / 9 mph 60 / 59°F 46% 1020 mb
Low level cloud: 7%
Mid level cloud: 63%
High level cloud: 52%
Most Significant Cloud Type: medium
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

E
E

 8 / 12 mph 54 / 51°F 55% 1021 mb
Low level cloud: 0%
Mid level cloud: 98%
High level cloud: 58%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

E
E

 5 / 11 mph 47 / 44°F 66% 1022 mb
Low level cloud: 0%
Mid level cloud: 35%
High level cloud: 70%
Most Significant Cloud Type: medium
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 08
May		01:00

ESE
ESE

 5 / 10 mph 43 / 40°F 66% 1022 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 8%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

E
E

 4 / 8 mph 41 / 38°F 66% 1022 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 11%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

E
E

 3 / 4 mph 48 / 47°F 53% 1022 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 8%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NE
NE

 4 / 5 mph 59 / 58°F 40% 1022 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

NE
NE

 8 / 9 mph 64 / 62°F 37% 1021 mb
Low level cloud: 0%
Mid level cloud: 60%
High level cloud: 0%
Most Significant Cloud Type: medium
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NE
NE

 9 / 11 mph 63 / 61°F 39% 1020 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 10%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

 5 / 7 mph 57 / 55°F 61% 1021 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 15%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

N
N

 2 / 5 mph 46 / 46°F 80% 1022 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 14%
Most Significant Cloud Type: medium
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 09
May		01:00

NNW
NNW

 2 / 5 mph 44 / 44°F 86% 1022 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 32%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NW
NW

 3 / 5 mph 42 / 41°F 91% 1022 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 2%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NW
NW

 3 / 4 mph 52 / 50°F 72% 1022 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 19%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNW
NNW

 4 / 5 mph 63 / 61°F 53% 1022 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 16%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNW
NNW

 5 / 6 mph 66 / 63°F 50% 1022 mb
Low level cloud: 3%
Mid level cloud: 46%
High level cloud: 13%
Most Significant Cloud Type: medium
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNW
NNW

 5 / 7 mph 64 / 61°F 66% 1021 mb
Low level cloud: 48%
Mid level cloud: 44%
High level cloud: 12%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NW
NW

 7 / 10 mph 58 / 55°F 68% 1022 mb
Low level cloud: 6%
Mid level cloud: 21%
High level cloud: 36%
Most Significant Cloud Type: medium
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

 5 / 10 mph 48 / 45°F 87% 1023 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 100%
Most Significant Cloud Type: medium
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 10
May		01:00

NW
NW

 4 / 7 mph 47 / 45°F 95% 1022 mb
Low level cloud: 37%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WNW
WNW

 4 / 6 mph 47 / 45°F 97% 1022 mb
Low level cloud: 47%
Mid level cloud: 100%
High level cloud: 22%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

 4 / 5 mph 52 / 50°F 89% 1023 mb
Low level cloud: 25%
Mid level cloud: 43%
High level cloud: 3%
Most Significant Cloud Type: low
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NW
NW

 5 / 6 mph 62 / 60°F 58% 1022 mb
Low level cloud: 69%
Mid level cloud: 32%
High level cloud: 3%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNW
NNW

 4 / 5 mph 62 / 62°F 53% 1022 mb
Low level cloud: 96%
Mid level cloud: 25%
High level cloud: 3%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

N
N

 4 / 4 mph 63 / 62°F 57% 1022 mb
Low level cloud: 83%
Mid level cloud: 13%
High level cloud: 2%
Most Significant Cloud Type: low
88%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ENE
ENE

 6 / 8 mph 58 / 56°F 80% 1022 mb
Low level cloud: 70%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NE
NE

 6 / 10 mph 51 / 49°F 92% 1023 mb
Low level cloud: 28%
Mid level cloud: 8%
High level cloud: 12%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 11
May		01:00

ENE
ENE

 6 / 10 mph 48 / 46°F 95% 1023 mb
Low level cloud: 17%
Mid level cloud: 7%
High level cloud: 8%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

E
E

 5 / 10 mph 46 / 43°F 97% 1024 mb
Low level cloud: 34%
Mid level cloud: 11%
High level cloud: 12%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ESE
ESE

 7 / 9 mph 53 / 49°F 81% 1024 mb
Low level cloud: 45%
Mid level cloud: 5%
High level cloud: 11%
Most Significant Cloud Type: low
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ESE
ESE

 8 / 9 mph 63 / 61°F 59% 1024 mb
Low level cloud: 21%
Mid level cloud: 5%
High level cloud: 2%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

E
E

 9 / 10 mph 67 / 65°F 48% 1023 mb
Low level cloud: 68%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

E
E

 10 / 11 mph 66 / 65°F 43% 1023 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 2%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ENE
ENE

 9 / 11 mph 62 / 61°F 63% 1023 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

E
E

 7 / 9 mph 56 / 55°F 85% 1023 mb
Low level cloud: 0%
Mid level cloud: 1%
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 12
May		01:00

ESE
ESE

 6 / 13 mph 48 / 46°F 82% 1024 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ESE
ESE

 6 / 12 mph 46 / 42°F 83% 1024 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ESE
ESE

 7 / 10 mph 54 / 50°F 64% 1024 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ESE
ESE

 9 / 11 mph 65 / 64°F 46% 1024 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ESE
ESE

 11 / 12 mph 71 / 69°F 40% 1023 mb
Low level cloud: 1%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

E
E

 13 / 15 mph 70 / 68°F 46% 1022 mb
Low level cloud: 9%
Mid level cloud: 47%
High level cloud: 0%
Most Significant Cloud Type: medium
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

E
E

 8 / 12 mph 64 / 62°F 69% 1021 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

E
E

 7 / 14 mph 54 / 52°F 89% 1022 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Tue 13
May		01:00

NW
NW

 4 / 8 mph 49 / 47°F 89% 1022 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
0.0 In
07:00

ESE
ESE

 6 / 9 mph 52 / 51°F 77% 1019 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 9%
Most Significant Cloud Type: medium
1%
0.0 In
13:00

NNW
NNW

 8 / 12 mph 62 / 62°F 63% 1010 mb
Low level cloud: 9%
Mid level cloud: 46%
High level cloud: 18%
Most Significant Cloud Type: medium
72%
0.0 In
19:00

NNE
NNE

 4 / 5 mph 63 / 64°F 58% 1016 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
Wed 14
May		01:00

NW
NW

 4 / 7 mph 47 / 46°F 90% 1015 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 19%
Most Significant Cloud Type: medium
3%
0.0 In
07:00

WSW
WSW

 6 / 7 mph 51 / 49°F 54% 1021 mb
Low level cloud: 1%
Mid level cloud: 21%
High level cloud: 5%
Most Significant Cloud Type: medium
24%
0.0 In
13:00

NNW
NNW

 4 / 5 mph 69 / 69°F 48% 1019 mb
Low level cloud: 3%
Mid level cloud: 100%
High level cloud: 72%
Most Significant Cloud Type: medium
100%
0.0 In
19:00

WNW
WNW

 9 / 13 mph 62 / 62°F 66% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Thu 15
May		01:00

NNW
NNW

 4 / 7 mph 51 / 50°F 93% 1019 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 21%
Most Significant Cloud Type: medium
7%
0.1 In
07:00

WNW
WNW

 14 / 20 mph 50 / 45°F 65% 1016 mb
Low level cloud: 3%
Mid level cloud: 0%
High level cloud: 21%
Most Significant Cloud Type: low
5%
0.0 In
13:00

NNW
NNW

 8 / 14 mph 68 / 68°F 38% 1020 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 22%
Most Significant Cloud Type: medium
4%
0.0 In
19:00

WNW
WNW

 14 / 20 mph 49 / 43°F 59% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Fri 16
May		01:00

NNW
NNW

 5 / 9 mph 49 / 47°F 91% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
07:00

WNW
WNW

 9 / 13 mph 49 / 45°F 61% 1020 mb
Low level cloud: 26%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
26%
0.0 In
13:00

NW
NW

 6 / 10 mph 64 / 64°F 39% 1020 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 32%
Most Significant Cloud Type: medium
47%
0.0 In
19:00

W
W

 10 / 14 mph 51 / 47°F 61% 1022 mb
Low level cloud: 37%
Mid level cloud: 7%
High level cloud: 9%
Most Significant Cloud Type: low
40%
0.0 In
Sat 17
May		01:00

E
E

 2 / 4 mph 52 / 53°F 94% 1019 mb
Low level cloud: 1%
Mid level cloud: 13%
High level cloud: 100%
Most Significant Cloud Type: medium
18%
0.0 In
07:00

NW
NW

 7 / 10 mph 52 / 50°F 61% 1025 mb
Low level cloud: 4%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
4%
0.0 In
13:00

E
E

 9 / 15 mph 64 / 64°F 46% 1015 mb
Low level cloud: 57%
Mid level cloud: 44%
High level cloud: 85%
Most Significant Cloud Type: low
82%
0.0 In
19:00

WNW
WNW

 10 / 13 mph 55 / 52°F 66% 1027 mb
Low level cloud: 13%
Mid level cloud: 7%
High level cloud: 22%
Most Significant Cloud Type: low
18%
0.0 In
Sun 18
May		01:00

E
E

 10 / 19 mph 50 / 46°F 97% 1011 mb
Low level cloud: 99%
Mid level cloud: 93%
High level cloud: 64%
Most Significant Cloud Type: low
100%
0.5 In
07:00

WSW
WSW

 4 / 5 mph 54 / 54°F 83% 1028 mb
Low level cloud: 18%
Mid level cloud: 0%
High level cloud: 21%
Most Significant Cloud Type: low
20%
0.0 In
13:00

S
S

 9 / 19 mph 55 / 53°F 83% 1011 mb
Low level cloud: 75%
Mid level cloud: 65%
High level cloud: 0%
Most Significant Cloud Type: low
97%
0.3 In
19:00

WNW
WNW

 8 / 11 mph 55 / 53°F 56% 1025 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 96%
Most Significant Cloud Type: medium
50%
0.0 In
Mon 19
May		01:00

S
S

 6 / 13 mph 47 / 44°F 97% 1012 mb
Low level cloud: 47%
Mid level cloud: 9%
High level cloud: 10%
Most Significant Cloud Type: low
51%
0.0 In
07:00

WSW
WSW

 7 / 10 mph 52 / 50°F 82% 1022 mb
Low level cloud: 26%
Mid level cloud: 89%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.0 In
13:00

SSE
SSE

 7 / 14 mph 66 / 66°F 45% 1013 mb
Low level cloud: 20%
Mid level cloud: 95%
High level cloud: 67%
Most Significant Cloud Type: medium
100%
0.0 In
19:00

W
W

 8 / 12 mph 59 / 58°F 93% 1019 mb
Low level cloud: 30%
Mid level cloud: 73%
High level cloud: 32%
Most Significant Cloud Type: low
59%
0.1 In
Tue 20
May		01:00

SE
SE

 4 / 7 mph 54 / 53°F 97% 1012 mb
Low level cloud: 12%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.0 In
07:00

W
W

 7 / 10 mph 54 / 52°F 94% 1019 mb
Low level cloud: 99%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
13:00

WNW
WNW

 5 / 10 mph 64 / 64°F 73% 1012 mb
Low level cloud: 50%
Mid level cloud: 12%
High level cloud: 22%
Most Significant Cloud Type: low
57%
0.2 In
19:00

WSW
WSW

 4 / 6 mph 61 / 61°F 88% 1019 mb
Low level cloud: 2%
Mid level cloud: 93%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
Wed 21
May		01:00

E
E

 5 / 10 mph 54 / 53°F 93% 1010 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 91%
Most Significant Cloud Type: medium
16%
0.1 In
07:00

SE
SE

 9 / 13 mph 60 / 60°F 70% 1018 mb
Low level cloud: 1%
Mid level cloud: 61%
High level cloud: 43%
Most Significant Cloud Type: medium
66%
0.0 In
13:00

SSW
SSW

 7 / 15 mph 57 / 56°F 88% 1007 mb
Low level cloud: 38%
Mid level cloud: 86%
High level cloud: 100%
Most Significant Cloud Type: low
79%
0.0 In
19:00

ESE
ESE

 4 / 7 mph 66 / 66°F 93% 1016 mb
Low level cloud: 2%
Mid level cloud: 42%
High level cloud: 9%
Most Significant Cloud Type: medium
48%
0.0 In

Other Locations Near to Hamburg

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