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Forest Side 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Forest Side

Hampshire, United Kingdom

Long range weather outlook for Forest Side includes 14 day forecast summary:

The next 14 day outlook for Forest Side shows the average daytime maximum temperature will be around 16°C, with a high for the two weeks of 20°C expected on the afternoon of Sunday 21st. The average minimum temperature will be 10°C, dipping to its lowest on the morning of Saturday 27th at 7°C. The next 14 days will remain predominantly dry. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 18
Oct
09:00

NE
NE

15 / 20 mph 56 / 52°F 79% 1026 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 32%
Most Significant Cloud Type: medium
18%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

NE
NE

15 / 20 mph 59 / 56°F 71% 1026 mb
Low level cloud: 8%
Mid level cloud: 23%
High level cloud: 44%
Most Significant Cloud Type: medium
46%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

ENE
ENE

13 / 18 mph 61 / 60°F 68% 1025 mb
Low level cloud: 21%
Mid level cloud: 28%
High level cloud: 16%
Most Significant Cloud Type: low
33%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

ENE
ENE

13 / 16 mph 60 / 60°F 73% 1025 mb
Low level cloud: 5%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
9%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

ENE
ENE

13 / 17 mph 57 / 54°F 78% 1025 mb
Low level cloud: 25%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
28%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Fri 19
Oct
00:00

NE
NE

11 / 17 mph 55 / 52°F 83% 1026 mb
Low level cloud: 53%
Mid level cloud: 9%
High level cloud: 1%
Most Significant Cloud Type: low
56%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

NE
NE

10 / 15 mph 53 / 50°F 87% 1025 mb
Low level cloud: 47%
Mid level cloud: 10%
High level cloud: 13%
Most Significant Cloud Type: low
52%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

NNE
NNE

10 / 15 mph 53 / 49°F 90% 1025 mb
Low level cloud: 25%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
28%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

NE
NE

9 / 13 mph 55 / 52°F 84% 1026 mb
Low level cloud: 9%
Mid level cloud: 9%
High level cloud: 22%
Most Significant Cloud Type: low
15%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

ENE
ENE

7 / 10 mph 61 / 60°F 72% 1027 mb
Low level cloud: 47%
Mid level cloud: 7%
High level cloud: 20%
Most Significant Cloud Type: low
52%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

ENE
ENE

6 / 8 mph 62 / 62°F 66% 1026 mb
Low level cloud: 4%
Mid level cloud: 5%
High level cloud: 14%
Most Significant Cloud Type: low
7%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

NE
NE

6 / 8 mph 62 / 62°F 73% 1027 mb
Low level cloud: 2%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

NE
NE

8 / 10 mph 59 / 58°F 78% 1029 mb
Low level cloud: 3%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sat 20
Oct
00:00

ENE
ENE

8 / 11 mph 57 / 55°F 81% 1029 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 17%
Most Significant Cloud Type: high
16%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

ENE
ENE

8 / 12 mph 55 / 53°F 82% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 19%
Most Significant Cloud Type: high
19%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

NE
NE

7 / 12 mph 54 / 52°F 84% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

ENE
ENE

8 / 12 mph 57 / 54°F 78% 1032 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 12%
Most Significant Cloud Type: high
11%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

E
E

7 / 11 mph 60 / 59°F 69% 1032 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

E
E

5 / 8 mph 62 / 61°F 67% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
2%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

E
E

5 / 7 mph 62 / 61°F 74% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

ENE
ENE

6 / 9 mph 59 / 59°F 78% 1032 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sun 21
Oct
00:00

ENE
ENE

7 / 9 mph 59 / 58°F 81% 1031 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

E
E

6 / 8 mph 59 / 58°F 79% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

ENE
ENE

5 / 8 mph 56 / 55°F 77% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

NE
NE

4 / 5 mph 60 / 59°F 72% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

NNE
NNE

2 / 2 mph 65 / 64°F 60% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

NW
NW

3 / 3 mph 67 / 66°F 62% 1029 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

NNW
NNW

7 / 9 mph 67 / 66°F 71% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

N
N

13 / 16 mph 61 / 61°F 81% 1032 mb
Low level cloud: 70%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
74%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Mon 22
Oct
00:00

NNE
NNE

19 / 23 mph 58 / 54°F 79% 1033 mb
Low level cloud: 88%
Mid level cloud: 73%
High level cloud: 7%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

NNE
NNE

19 / 29 mph 53 / 47°F 75% 1034 mb
Low level cloud: 8%
Mid level cloud: 21%
High level cloud: 20%
Most Significant Cloud Type: low
17%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
06:00

NNE
NNE

18 / 28 mph 51 / 45°F 75% 1036 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 59%
Most Significant Cloud Type: high
59%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

NNE
NNE

18 / 25 mph 52 / 46°F 72% 1038 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
32%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

NNE
NNE

14 / 16 mph 57 / 54°F 63% 1038 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 35%
Most Significant Cloud Type: high
35%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

NNE
NNE

14 / 16 mph 58 / 55°F 61% 1038 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

NNE
NNE

14 / 17 mph 54 / 51°F 62% 1038 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

N
N

13 / 17 mph 52 / 47°F 68% 1039 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 1%
Most Significant Cloud Type: medium
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Tue 23
Oct
00:00

N
N

13 / 21 mph 49 / 44°F 75% 1038 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 18%
Most Significant Cloud Type: medium
9%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

NNW
NNW

15 / 25 mph 48 / 42°F 79% 1037 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 22%
Most Significant Cloud Type: medium
12%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

NNW
NNW

18 / 30 mph 48 / 42°F 82% 1035 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 13%
Most Significant Cloud Type: medium
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

NNW
NNW

19 / 29 mph 51 / 44°F 81% 1035 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 1%
Most Significant Cloud Type: medium
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

NNW
NNW

17 / 20 mph 62 / 61°F 72% 1034 mb
Low level cloud: 31%
Mid level cloud: 2%
High level cloud: 4%
Most Significant Cloud Type: low
32%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

N
N

15 / 18 mph 64 / 64°F 69% 1033 mb
Low level cloud: 59%
Mid level cloud: 3%
High level cloud: 3%
Most Significant Cloud Type: low
60%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

N
N

14 / 16 mph 60 / 60°F 72% 1033 mb
Low level cloud: 72%
Mid level cloud: 5%
High level cloud: 7%
Most Significant Cloud Type: low
74%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

N
N

12 / 14 mph 59 / 56°F 75% 1033 mb
Low level cloud: 19%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
21%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Wed 24
Oct
00:00

N
N

13 / 18 mph 52 / 48°F 81% 1033 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

N
N

12 / 18 mph 50 / 46°F 84% 1033 mb
Low level cloud: 2%
Mid level cloud: 7%
High level cloud: 5%
Most Significant Cloud Type: medium
11%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

N
N

10 / 15 mph 49 / 45°F 86% 1033 mb
Low level cloud: 5%
Mid level cloud: 6%
High level cloud: 22%
Most Significant Cloud Type: low
9%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

N
N

9 / 10 mph 52 / 49°F 81% 1034 mb
Low level cloud: 2%
Mid level cloud: 0%
High level cloud: 37%
Most Significant Cloud Type: medium
7%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

NNW
NNW

8 / 9 mph 56 / 54°F 68% 1034 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 10%
Most Significant Cloud Type: low
2%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

NNW
NNW

9 / 10 mph 58 / 56°F 66% 1032 mb
Low level cloud: 9%
Mid level cloud: 0%
High level cloud: 10%
Most Significant Cloud Type: low
10%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

NNW
NNW

10 / 11 mph 57 / 55°F 77% 1032 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 15%
Most Significant Cloud Type: high
15%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

N
N

9 / 10 mph 56 / 53°F 84% 1032 mb
Low level cloud: 2%
Mid level cloud: 0%
High level cloud: 14%
Most Significant Cloud Type: low
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 25
Oct
00:00

ENE
ENE

4 / 4 mph 61 / 61°F 84% 1032 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 2%
Most Significant Cloud Type: medium
4%
0.00 In
06:00

NNE
NNE

6 / 6 mph 51 / 49°F 90% 1031 mb
Low level cloud: 22%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: low
22%
0.00 In
12:00

SE
SE

9 / 12 mph 58 / 56°F 83% 1030 mb
Low level cloud: 85%
Mid level cloud: 0%
High level cloud: 16%
Most Significant Cloud Type: low
87%
0.02 In
18:00

E
E

7 / 9 mph 60 / 60°F 75% 1029 mb
Low level cloud: 75%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: low
75%
0.00 In
Fri 26
Oct
00:00

N
N

13 / 19 mph 49 / 44°F 82% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 59%
Most Significant Cloud Type: high
59%
0.00 In
06:00

N
N

8 / 14 mph 53 / 50°F 76% 1029 mb
Low level cloud: 90%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: low
90%
0.00 In
12:00

NNE
NNE

19 / 27 mph 52 / 46°F 76% 1034 mb
Low level cloud: 91%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
90%
0.00 In
18:00

NNE
NNE

16 / 19 mph 56 / 52°F 71% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: high
5%
0.00 In
Sat 27
Oct
00:00

NNE
NNE

15 / 24 mph 47 / 40°F 73% 1036 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
06:00

NE
NE

14 / 25 mph 44 / 37°F 77% 1032 mb
Low level cloud: 12%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: low
15%
0.00 In
12:00

NE
NE

10 / 12 mph 54 / 51°F 63% 1037 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
2%
0.00 In
18:00

ENE
ENE

13 / 17 mph 51 / 46°F 72% 1029 mb
Low level cloud: 26%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: low
26%
0.00 In
Sun 28
Oct
00:00

N
N

6 / 6 mph 51 / 49°F 79% 1032 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
06:00

ENE
ENE

13 / 21 mph 47 / 41°F 82% 1026 mb
Low level cloud: 61%
Mid level cloud: 0%
High level cloud: 7%
Most Significant Cloud Type: low
61%
0.00 In
12:00

N
N

6 / 8 mph 56 / 54°F 59% 1029 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
18:00

E
E

12 / 19 mph 51 / 47°F 74% 1024 mb
Low level cloud: 28%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: low
28%
0.00 In
Mon 29
Oct
00:00

NNE
NNE

9 / 12 mph 49 / 46°F 87% 1028 mb
Low level cloud: 8%
Mid level cloud: 0%
High level cloud: 15%
Most Significant Cloud Type: low
10%
0.00 In
06:00

E
E

9 / 15 mph 49 / 46°F 68% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 68%
Most Significant Cloud Type: high
68%
0.00 In
12:00

NE
NE

11 / 13 mph 52 / 48°F 64% 1028 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 32%
Most Significant Cloud Type: medium
4%
0.00 In
18:00

ENE
ENE

11 / 18 mph 51 / 47°F 69% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
0%
0.00 In
Tue 30
Oct
00:00

NE
NE

11 / 17 mph 47 / 42°F 76% 1029 mb
Low level cloud: 6%
Mid level cloud: 3%
High level cloud: 4%
Most Significant Cloud Type: low
7%
0.00 In
06:00

E
E

12 / 22 mph 48 / 44°F 80% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
1%
0.00 In
12:00

NE
NE

10 / 11 mph 50 / 47°F 62% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 21%
Most Significant Cloud Type: high
20%
0.00 In
18:00

ESE
ESE

11 / 17 mph 54 / 50°F 72% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
Wed 31
Oct
00:00

ENE
ENE

11 / 17 mph 47 / 42°F 77% 1032 mb
Low level cloud: 7%
Mid level cloud: 0%
High level cloud: 40%
Most Significant Cloud Type: low
11%
0.00 In
06:00

SE
SE

9 / 16 mph 52 / 49°F 75% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
0%
0.00 In
12:00

E
E

13 / 18 mph 53 / 49°F 69% 1031 mb
Low level cloud: 55%
Mid level cloud: 0%
High level cloud: 57%
Most Significant Cloud Type: low
62%
0.01 In
18:00

SE
SE

11 / 16 mph 56 / 54°F 76% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 57%
Most Significant Cloud Type: high
56%
0.00 In
Thu 01
Nov
00:00

E
E

17 / 28 mph 49 / 43°F 73% 1030 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
06:00

S
S

9 / 16 mph 54 / 52°F 90% 1010 mb
Low level cloud: 70%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
71%
0.00 In
12:00

E
E

21 / 28 mph 51 / 45°F 64% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
18:00

SSE
SSE

20 / 32 mph 59 / 55°F 86% 999 mb
Low level cloud: 52%
Mid level cloud: 29%
High level cloud: 34%
Most Significant Cloud Type: low
66%
0.05 In
Fri 02
Nov
00:00

ESE
ESE

17 / 31 mph 48 / 41°F 68% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 In
06:00

SSW
SSW

15 / 23 mph 55 / 51°F 83% 987 mb
Low level cloud: 49%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
52%
0.51 In
12:00

E
E

17 / 25 mph 51 / 46°F 63% 1031 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.00 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.
(More Info)

Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
(More Info)

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.
(More Info)

Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
(More Info)

Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
(More Info)

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.
(More Info)

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