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Tattenhoe 14 Day Long Range Forecast

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

Buckinghamshire, United Kingdom

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

The outlook for Tattenhoe in the two weeks ahead shows the average daytime maximum temperature will be around 17°C, with a high for the two weeks of 20°C expected on the afternoon of Saturday 25th. The average minimum temperature will be 8°C, dipping to its lowest on the morning of Tuesday 21st at 5°C. The coming 14 days will have some days seeing a little precipitation and some days with rain. The indicators are that Monday 27th will have the most precipitation with an accumulation of around 5.0mm. 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

13 / 15 mph 66 / 65°F 66% 1015 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 2%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

13 / 15 mph 66 / 65°F 66% 1015 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
18:00

NE
NE

12 / 14 mph 62 / 61°F 79% 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
21:00

NNE
NNE

8 / 12 mph 53 / 51°F 93% 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
Mon 20
May
00:00

NNE
NNE

8 / 14 mph 47 / 44°F 95% 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
03:00

NNE
NNE

8 / 15 mph 43 / 39°F 99% 1016 mb
Low level cloud: 68%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

12 / 16 mph 47 / 42°F 93% 1016 mb
Low level cloud: 66%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

12 / 14 mph 52 / 48°F 86% 1016 mb
Low level cloud: 97%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

11 / 14 mph 59 / 57°F 78% 1014 mb
Low level cloud: 93%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

12 / 15 mph 61 / 60°F 75% 1013 mb
Low level cloud: 77%
Mid level cloud: 11%
High level cloud: 14%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

11 / 15 mph 57 / 54°F 80% 1013 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 15%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

8 / 15 mph 47 / 43°F 90% 1013 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 1%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May
00:00

NNE
NNE

7 / 14 mph 43 / 39°F 95% 1012 mb
Low level cloud: 2%
Mid level cloud: 9%
High level cloud: 21%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

7 / 15 mph 42 / 37°F 96% 1010 mb
Low level cloud: 13%
Mid level cloud: 23%
High level cloud: 82%
Most Significant Cloud Type: low
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

6 / 10 mph 47 / 44°F 94% 1010 mb
Low level cloud: 95%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

8 / 11 mph 50 / 47°F 94% 1009 mb
Low level cloud: 63%
Mid level cloud: 94%
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

N
N

7 / 9 mph 55 / 53°F 89% 1009 mb
Low level cloud: 100%
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
15:00

NNW
NNW

8 / 10 mph 55 / 53°F 92% 1009 mb
Low level cloud: 93%
Mid level cloud: 45%
High level cloud: 54%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

6 / 8 mph 55 / 53°F 93% 1008 mb
Low level cloud: 100%
Mid level cloud: 47%
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

WNW
WNW

5 / 7 mph 52 / 50°F 95% 1009 mb
Low level cloud: 93%
Mid level cloud: 86%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May
00:00

WNW
WNW

5 / 8 mph 51 / 49°F 95% 1008 mb
Low level cloud: 79%
Mid level cloud: 71%
High level cloud: 12%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

W
W

6 / 9 mph 50 / 48°F 94% 1008 mb
Low level cloud: 27%
Mid level cloud: 38%
High level cloud: 93%
Most Significant Cloud Type: low
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WSW
WSW

6 / 10 mph 52 / 48°F 93% 1009 mb
Low level cloud: 24%
Mid level cloud: 45%
High level cloud: 13%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

10 / 12 mph 57 / 53°F 86% 1009 mb
Low level cloud: 25%
Mid level cloud: 55%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

14 / 18 mph 62 / 61°F 79% 1009 mb
Low level cloud: 84%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

11 / 15 mph 63 / 61°F 82% 1009 mb
Low level cloud: 64%
Mid level cloud: 23%
High level cloud: 3%
Most Significant Cloud Type: low
72%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

W
W

10 / 15 mph 62 / 60°F 89% 1010 mb
Low level cloud: 16%
Mid level cloud: 25%
High level cloud: 6%
Most Significant Cloud Type: low
25%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

W
W

7 / 14 mph 55 / 51°F 94% 1013 mb
Low level cloud: 14%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 23
May
00:00

WNW
WNW

6 / 12 mph 49 / 47°F 96% 1014 mb
Low level cloud: 39%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

5 / 10 mph 47 / 45°F 95% 1015 mb
Low level cloud: 16%
Mid level cloud: 16%
High level cloud: 11%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

6 / 10 mph 52 / 48°F 95% 1017 mb
Low level cloud: 38%
Mid level cloud: 6%
High level cloud: 21%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NW
NW

9 / 11 mph 57 / 55°F 83% 1018 mb
Low level cloud: 91%
Mid level cloud: 6%
High level cloud: 20%
Most Significant Cloud Type: low
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NW
NW

8 / 9 mph 60 / 59°F 76% 1018 mb
Low level cloud: 86%
Mid level cloud: 10%
High level cloud: 32%
Most Significant Cloud Type: low
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

10 / 12 mph 60 / 59°F 81% 1019 mb
Low level cloud: 67%
Mid level cloud: 21%
High level cloud: 32%
Most Significant Cloud Type: low
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

11 / 14 mph 58 / 54°F 88% 1020 mb
Low level cloud: 48%
Mid level cloud: 11%
High level cloud: 15%
Most Significant Cloud Type: low
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NE
NE

10 / 15 mph 51 / 47°F 93% 1022 mb
Low level cloud: 30%
Mid level cloud: 9%
High level cloud: 10%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 24
May
00:00

ENE
ENE

6 / 12 mph 45 / 42°F 98% 1022 mb
Low level cloud: 67%
Mid level cloud: 7%
High level cloud: 8%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

6 / 12 mph 43 / 40°F 98% 1022 mb
Low level cloud: 68%
Mid level cloud: 10%
High level cloud: 6%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

E
E

6 / 9 mph 48 / 44°F 94% 1023 mb
Low level cloud: 61%
Mid level cloud: 10%
High level cloud: 5%
Most Significant Cloud Type: low
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

ESE
ESE

7 / 8 mph 58 / 55°F 79% 1023 mb
Low level cloud: 72%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSE
SSE

5 / 6 mph 62 / 61°F 74% 1022 mb
Low level cloud: 88%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SE
SE

9 / 11 mph 64 / 62°F 75% 1022 mb
Low level cloud: 57%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SE
SE

8 / 12 mph 63 / 61°F 83% 1022 mb
Low level cloud: 60%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SE
SE

8 / 16 mph 53 / 49°F 94% 1023 mb
Low level cloud: 15%
Mid level cloud: 9%
High level cloud: 1%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 25
May
00:00

SE
SE

7 / 14 mph 48 / 45°F 94% 1022 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 4%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SE
SE

6 / 14 mph 46 / 42°F 95% 1021 mb
Low level cloud: 4%
Mid level cloud: 7%
High level cloud: 83%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SE
SE

7 / 12 mph 52 / 48°F 92% 1020 mb
Low level cloud: 12%
Mid level cloud: 9%
High level cloud: 21%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SE
SE

12 / 13 mph 63 / 62°F 78% 1019 mb
Low level cloud: 35%
Mid level cloud: 22%
High level cloud: 100%
Most Significant Cloud Type: low
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSE
SSE

14 / 17 mph 67 / 67°F 68% 1017 mb
Low level cloud: 95%
Mid level cloud: 23%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

S
S

14 / 18 mph 67 / 66°F 78% 1015 mb
Low level cloud: 8%
Mid level cloud: 49%
High level cloud: 100%
Most Significant Cloud Type: medium
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

S
S

11 / 19 mph 62 / 61°F 86% 1014 mb
Low level cloud: 13%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

5 / 8 mph 57 / 55°F 93% 1013 mb
Low level cloud: 0%
Mid level cloud: 76%
High level cloud: 92%
Most Significant Cloud Type: medium
81%
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

E
E

7 / 14 mph 53 / 51°F 95% 1015 mb
Low level cloud: 1%
Mid level cloud: 69%
High level cloud: 99%
Most Significant Cloud Type: medium
75%
0.0 In
06:00

SE
SE

6 / 12 mph 55 / 54°F 86% 1020 mb
Low level cloud: 5%
Mid level cloud: 52%
High level cloud: 100%
Most Significant Cloud Type: medium
68%
0.0 In
12:00

SSW
SSW

11 / 23 mph 63 / 63°F 67% 1007 mb
Low level cloud: 47%
Mid level cloud: 13%
High level cloud: 100%
Most Significant Cloud Type: low
63%
0.0 In
18:00

ESE
ESE

10 / 20 mph 65 / 65°F 85% 1013 mb
Low level cloud: 0%
Mid level cloud: 62%
High level cloud: 100%
Most Significant Cloud Type: medium
66%
0.0 In
Mon 27
May
00:00

SSW
SSW

7 / 15 mph 50 / 48°F 98% 1016 mb
Low level cloud: 65%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
06:00

NNE
NNE

10 / 22 mph 54 / 51°F 98% 1019 mb
Low level cloud: 93%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
12:00

NNE
NNE

11 / 22 mph 61 / 61°F 79% 1017 mb
Low level cloud: 85%
Mid level cloud: 36%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
18:00

NNW
NNW

9 / 19 mph 62 / 62°F 88% 1016 mb
Low level cloud: 6%
Mid level cloud: 42%
High level cloud: 100%
Most Significant Cloud Type: medium
61%
0.0 In
Tue 28
May
00:00

NNE
NNE

11 / 23 mph 50 / 46°F 92% 1019 mb
Low level cloud: 35%
Mid level cloud: 74%
High level cloud: 39%
Most Significant Cloud Type: low
65%
0.2 In
06:00

N
N

6 / 13 mph 52 / 50°F 97% 1018 mb
Low level cloud: 79%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
89%
0.0 In
12:00

NNE
NNE

19 / 39 mph 60 / 60°F 70% 1018 mb
Low level cloud: 0%
Mid level cloud: 56%
High level cloud: 7%
Most Significant Cloud Type: medium
55%
0.0 In
18:00

NE
NE

8 / 16 mph 64 / 64°F 82% 1017 mb
Low level cloud: 13%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
16%
0.0 In
Wed 29
May
00:00

NNE
NNE

14 / 29 mph 48 / 43°F 94% 1017 mb
Low level cloud: 42%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
44%
0.0 In
06:00

NNE
NNE

7 / 14 mph 52 / 50°F 95% 1017 mb
Low level cloud: 69%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
75%
0.0 In
12:00

NNE
NNE

17 / 35 mph 63 / 63°F 78% 1016 mb
Low level cloud: 96%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
18:00

E
E

5 / 11 mph 62 / 62°F 88% 1015 mb
Low level cloud: 58%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
63%
0.0 In
Thu 30
May
00:00

NNE
NNE

12 / 26 mph 52 / 48°F 93% 1016 mb
Low level cloud: 99%
Mid level cloud: 18%
High level cloud: 6%
Most Significant Cloud Type: low
100%
0.0 In
06:00

ENE
ENE

6 / 13 mph 57 / 56°F 92% 1014 mb
Low level cloud: 13%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
16%
0.0 In
12:00

NNE
NNE

10 / 21 mph 55 / 53°F 94% 1016 mb
Low level cloud: 96%
Mid level cloud: 16%
High level cloud: 14%
Most Significant Cloud Type: low
100%
0.0 In
18:00

E
E

11 / 23 mph 65 / 65°F 86% 1010 mb
Low level cloud: 22%
Mid level cloud: 6%
High level cloud: 27%
Most Significant Cloud Type: low
27%
0.1 In
Fri 31
May
00:00

N
N

8 / 17 mph 55 / 53°F 94% 1016 mb
Low level cloud: 94%
Mid level cloud: 16%
High level cloud: 5%
Most Significant Cloud Type: low
99%
0.0 In
06:00

ENE
ENE

8 / 17 mph 57 / 55°F 99% 1007 mb
Low level cloud: 95%
Mid level cloud: 51%
High level cloud: 98%
Most Significant Cloud Type: low
100%
0.1 In
12:00

N
N

6 / 13 mph 58 / 58°F 92% 1015 mb
Low level cloud: 99%
Mid level cloud: 91%
High level cloud: 47%
Most Significant Cloud Type: low
100%
0.0 In
18:00

SW
SW

4 / 9 mph 64 / 64°F 89% 1009 mb
Low level cloud: 30%
Mid level cloud: 17%
High level cloud: 100%
Most Significant Cloud Type: low
48%
0.2 In
Sat 01
Jun
00:00

NNE
NNE

2 / 5 mph 60 / 60°F 99% 1012 mb
Low level cloud: 89%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
06:00

SW
SW

4 / 9 mph 56 / 56°F 87% 1011 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 4%
Most Significant Cloud Type: medium
25%
0.0 In
12:00

W
W

3 / 7 mph 62 / 62°F 92% 1009 mb
Low level cloud: 81%
Mid level cloud: 59%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 In
18:00

SSE
SSE

7 / 14 mph 61 / 61°F 92% 1011 mb
Low level cloud: 17%
Mid level cloud: 62%
High level cloud: 86%
Most Significant Cloud Type: medium
100%
0.2 In
Sun 02
Jun
00:00

SW
SW

4 / 10 mph 58 / 58°F 96% 1009 mb
Low level cloud: 33%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
36%
0.1 In
06:00

NE
NE

7 / 15 mph 54 / 53°F 97% 1009 mb
Low level cloud: 100%
Mid level cloud: 85%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
12:00

SW
SW

6 / 12 mph 69 / 69°F 70% 1012 mb
Low level cloud: 46%
Mid level cloud: 2%
High level cloud: 10%
Most Significant Cloud Type: low
47%
0.0 In
18:00

SSW
SSW

9 / 19 mph 62 / 62°F 82% 1010 mb
Low level cloud: 2%
Mid level cloud: 6%
High level cloud: 77%
Most Significant Cloud Type: medium
14%
0.0 In
Mon 03
Jun
00:00

ESE
ESE

1 / 2 mph 65 / 65°F 89% 1013 mb
Low level cloud: 8%
Mid level cloud: 11%
High level cloud: 19%
Most Significant Cloud Type: low
14%
0.0 In
06:00

S
S

6 / 13 mph 56 / 55°F 94% 1011 mb
Low level cloud: 30%
Mid level cloud: 14%
High level cloud: 7%
Most Significant Cloud Type: low
36%
0.0 In
12:00

E
E

15 / 33 mph 68 / 68°F 77% 1010 mb
Low level cloud: 78%
Mid level cloud: 8%
High level cloud: 32%
Most Significant Cloud Type: low
84%
0.0 In
18:00

SSW
SSW

10 / 21 mph 62 / 62°F 77% 1012 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
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