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Aspenden 14 Day Long Range Forecast

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

Hertfordshire, United Kingdom

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

Taking a look at Aspenden over the coming two weeks and the average daytime maximum temperature will be around 15°C, with a high for the two weeks of 20°C expected on the afternoon of Sunday 12th. The average minimum temperature will be 7°C, dipping to its lowest on the morning of Thursday 9th at 4°C. The coming 14 days will have some days seeing a little precipitation and some days with rain. Current predictions suggest Monday 6th will have the most precipitation with an accumulation of around 19.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 03
May		15:00

WSW
WSW

 13 / 15 mph 50 / 45°F 92% 1010 mb
Low level cloud: 94%
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
18:00

WSW
WSW

 8 / 13 mph 49 / 45°F 91% 1010 mb
Low level cloud: 24%
Mid level cloud: 73%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 8 / 14 mph 48 / 44°F 95% 1011 mb
Low level cloud: 5%
Mid level cloud: 7%
High level cloud: 89%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 04
May		00:00

SSW
SSW

 7 / 14 mph 45 / 41°F 96% 1011 mb
Low level cloud: 18%
Mid level cloud: 3%
High level cloud: 13%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSW
SSW

 7 / 14 mph 43 / 38°F 98% 1011 mb
Low level cloud: 41%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

 5 / 9 mph 46 / 42°F 96% 1012 mb
Low level cloud: 36%
Mid level cloud: 5%
High level cloud: 13%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

S
S

 7 / 9 mph 55 / 52°F 77% 1012 mb
Low level cloud: 10%
Mid level cloud: 12%
High level cloud: 24%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

S
S

 6 / 7 mph 62 / 60°F 57% 1011 mb
Low level cloud: 29%
Mid level cloud: 30%
High level cloud: 66%
Most Significant Cloud Type: low
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SE
SE

 8 / 11 mph 60 / 57°F 69% 1010 mb
Low level cloud: 39%
Mid level cloud: 57%
High level cloud: 52%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SE
SE

 7 / 10 mph 57 / 54°F 85% 1010 mb
Low level cloud: 25%
Mid level cloud: 45%
High level cloud: 14%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ESE
ESE

 6 / 13 mph 48 / 45°F 95% 1011 mb
Low level cloud: 24%
Mid level cloud: 33%
High level cloud: 18%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 05
May		00:00

SSE
SSE

 5 / 10 mph 47 / 45°F 94% 1010 mb
Low level cloud: 7%
Mid level cloud: 26%
High level cloud: 6%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSE
SSE

 4 / 7 mph 45 / 44°F 94% 1009 mb
Low level cloud: 3%
Mid level cloud: 9%
High level cloud: 9%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SE
SE

 4 / 6 mph 47 / 45°F 89% 1009 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 20%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSE
SSE

 7 / 9 mph 57 / 54°F 78% 1009 mb
Low level cloud: 54%
Mid level cloud: 21%
High level cloud: 19%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

S
S

 7 / 10 mph 53 / 51°F 91% 1008 mb
Low level cloud: 69%
Mid level cloud: 75%
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

SSW
SSW

 9 / 12 mph 59 / 56°F 81% 1007 mb
Low level cloud: 42%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
68%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

SSW
SSW

 5 / 6 mph 59 / 57°F 86% 1006 mb
Low level cloud: 2%
Mid level cloud: 8%
High level cloud: 15%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSE
SSE

 3 / 5 mph 51 / 51°F 91% 1007 mb
Low level cloud: 5%
Mid level cloud: 8%
High level cloud: 7%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 06
May		00:00

SE
SE

 3 / 6 mph 47 / 46°F 96% 1007 mb
Low level cloud: 35%
Mid level cloud: 8%
High level cloud: 33%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

E
E

 5 / 11 mph 46 / 43°F 96% 1006 mb
Low level cloud: 31%
Mid level cloud: 57%
High level cloud: 100%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

 6 / 9 mph 48 / 46°F 98% 1006 mb
Low level cloud: 71%
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

NE
NE

 7 / 10 mph 51 / 48°F 96% 1007 mb
Low level cloud: 90%
Mid level cloud: 77%
High level cloud: 42%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
12:00

N
N

 2 / 3 mph 51 / 52°F 95% 1007 mb
Low level cloud: 96%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
15:00

N
N

 7 / 9 mph 51 / 49°F 97% 1008 mb
Low level cloud: 88%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
18:00

NNW
NNW

 8 / 13 mph 50 / 46°F 96% 1009 mb
Low level cloud: 83%
Mid level cloud: 66%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
21:00

N
N

 11 / 17 mph 50 / 45°F 98% 1011 mb
Low level cloud: 99%
Mid level cloud: 43%
High level cloud: 18%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 07
May		00:00

N
N

 11 / 15 mph 49 / 45°F 98% 1013 mb
Low level cloud: 95%
Mid level cloud: 73%
High level cloud: 14%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

 10 / 15 mph 48 / 43°F 96% 1015 mb
Low level cloud: 52%
Mid level cloud: 49%
High level cloud: 98%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

 11 / 15 mph 48 / 42°F 96% 1017 mb
Low level cloud: 63%
Mid level cloud: 20%
High level cloud: 2%
Most Significant Cloud Type: low
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

 14 / 16 mph 54 / 50°F 82% 1018 mb
Low level cloud: 82%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
88%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

 12 / 15 mph 55 / 51°F 82% 1020 mb
Low level cloud: 81%
Mid level cloud: 25%
High level cloud: 4%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

 13 / 15 mph 59 / 56°F 74% 1021 mb
Low level cloud: 98%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNE
NNE

 9 / 12 mph 57 / 53°F 85% 1022 mb
Low level cloud: 29%
Mid level cloud: 15%
High level cloud: 9%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

N
N

 7 / 13 mph 47 / 44°F 96% 1025 mb
Low level cloud: 14%
Mid level cloud: 11%
High level cloud: 9%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 08
May		00:00

N
N

 6 / 13 mph 44 / 40°F 97% 1026 mb
Low level cloud: 36%
Mid level cloud: 11%
High level cloud: 19%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNW
NNW

 7 / 13 mph 43 / 40°F 98% 1027 mb
Low level cloud: 51%
Mid level cloud: 32%
High level cloud: 1%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

 9 / 13 mph 46 / 41°F 96% 1028 mb
Low level cloud: 67%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

 11 / 12 mph 55 / 51°F 82% 1029 mb
Low level cloud: 79%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNE
NNE

 9 / 12 mph 57 / 54°F 75% 1029 mb
Low level cloud: 65%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

 9 / 11 mph 59 / 55°F 76% 1029 mb
Low level cloud: 64%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNE
NNE

 7 / 9 mph 58 / 55°F 81% 1030 mb
Low level cloud: 48%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

 8 / 14 mph 48 / 45°F 94% 1031 mb
Low level cloud: 12%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: low
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 09
May		00:00

NE
NE

 6 / 13 mph 42 / 37°F 90% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 35%
Most Significant Cloud Type: high
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

 6 / 12 mph 40 / 35°F 88% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 13%
Most Significant Cloud Type: high
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NE
NE

 5 / 9 mph 43 / 40°F 87% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 8%
Most Significant Cloud Type: high
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

ENE
ENE

 7 / 9 mph 55 / 52°F 77% 1030 mb
Low level cloud: 4%
Mid level cloud: 3%
High level cloud: 90%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

 6 / 6 mph 63 / 60°F 64% 1029 mb
Low level cloud: 53%
Mid level cloud: 7%
High level cloud: 10%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

 8 / 9 mph 64 / 62°F 62% 1027 mb
Low level cloud: 23%
Mid level cloud: 12%
High level cloud: 33%
Most Significant Cloud Type: low
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 8 / 10 mph 59 / 56°F 81% 1027 mb
Low level cloud: 14%
Mid level cloud: 16%
High level cloud: 12%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ESE
ESE

 6 / 11 mph 47 / 45°F 92% 1028 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 65%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 10
May		00:00

ESE
ESE

 3 / 6 mph 54 / 54°F 78% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 16%
Most Significant Cloud Type: high
16%
0.0 In
06:00

SSW
SSW

 4 / 9 mph 52 / 52°F 84% 1027 mb
Low level cloud: 38%
Mid level cloud: 97%
High level cloud: 9%
Most Significant Cloud Type: low
73%
0.0 In
12:00

ESE
ESE

 11 / 23 mph 63 / 63°F 66% 1027 mb
Low level cloud: 38%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
37%
0.0 In
18:00

E
E

 9 / 19 mph 66 / 66°F 81% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Sat 11
May		00:00

E
E

 6 / 12 mph 51 / 49°F 90% 1018 mb
Low level cloud: 15%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
89%
0.0 In
06:00

SSW
SSW

 3 / 7 mph 61 / 61°F 87% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
12:00

ESE
ESE

 6 / 12 mph 69 / 69°F 64% 1018 mb
Low level cloud: 9%
Mid level cloud: 13%
High level cloud: 32%
Most Significant Cloud Type: low
17%
0.0 In
18:00

ESE
ESE

 8 / 16 mph 65 / 65°F 77% 1022 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
Sun 12
May		00:00

S
S

 4 / 8 mph 60 / 60°F 93% 1017 mb
Low level cloud: 8%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
11%
0.0 In
06:00

E
E

 3 / 7 mph 57 / 57°F 91% 1022 mb
Low level cloud: 14%
Mid level cloud: 2%
High level cloud: 14%
Most Significant Cloud Type: low
16%
0.0 In
12:00

SW
SW

 9 / 18 mph 69 / 69°F 67% 1016 mb
Low level cloud: 64%
Mid level cloud: 30%
High level cloud: 9%
Most Significant Cloud Type: low
75%
0.0 In
18:00

SE
SE

 7 / 15 mph 67 / 67°F 84% 1019 mb
Low level cloud: 10%
Mid level cloud: 17%
High level cloud: 32%
Most Significant Cloud Type: low
19%
0.0 In
Mon 13
May		00:00

WSW
WSW

 7 / 14 mph 57 / 56°F 89% 1016 mb
Low level cloud: 18%
Mid level cloud: 1%
High level cloud: 100%
Most Significant Cloud Type: low
29%
0.1 In
06:00

S
S

 7 / 15 mph 56 / 55°F 92% 1014 mb
Low level cloud: 3%
Mid level cloud: 31%
High level cloud: 100%
Most Significant Cloud Type: medium
44%
0.0 In
12:00

SSW
SSW

 14 / 29 mph 62 / 62°F 86% 1012 mb
Low level cloud: 92%
Mid level cloud: 30%
High level cloud: 69%
Most Significant Cloud Type: low
100%
0.0 In
18:00

W
W

 14 / 30 mph 56 / 53°F 81% 1012 mb
Low level cloud: 32%
Mid level cloud: 2%
High level cloud: 20%
Most Significant Cloud Type: low
34%
0.1 In
Tue 14
May		00:00

WSW
WSW

 6 / 13 mph 57 / 56°F 96% 1009 mb
Low level cloud: 79%
Mid level cloud: 79%
High level cloud: 99%
Most Significant Cloud Type: low
100%
0.0 In
06:00

WNW
WNW

 9 / 19 mph 47 / 42°F 90% 1014 mb
Low level cloud: 30%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
32%
0.0 In
12:00

WSW
WSW

 8 / 17 mph 63 / 63°F 57% 1007 mb
Low level cloud: 24%
Mid level cloud: 18%
High level cloud: 100%
Most Significant Cloud Type: low
41%
0.1 In
18:00

NW
NW

 6 / 12 mph 55 / 53°F 76% 1012 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 78%
Most Significant Cloud Type: medium
100%
0.0 In
Wed 15
May		00:00

SW
SW

 8 / 16 mph 49 / 45°F 93% 1007 mb
Low level cloud: 8%
Mid level cloud: 10%
High level cloud: 5%
Most Significant Cloud Type: low
12%
0.0 In
06:00

SW
SW

 2 / 4 mph 53 / 54°F 85% 1011 mb
Low level cloud: 3%
Mid level cloud: 3%
High level cloud: 5%
Most Significant Cloud Type: low
4%
0.0 In
12:00

W
W

 9 / 18 mph 61 / 61°F 56% 1009 mb
Low level cloud: 25%
Mid level cloud: 11%
High level cloud: 2%
Most Significant Cloud Type: low
29%
0.0 In
18:00

SSE
SSE

 11 / 24 mph 53 / 50°F 69% 1005 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 95%
Most Significant Cloud Type: medium
49%
0.0 In
Thu 16
May		00:00

W
W

 4 / 9 mph 52 / 50°F 87% 1012 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 20%
Most Significant Cloud Type: medium
24%
0.0 In
06:00

SE
SE

 15 / 31 mph 49 / 44°F 94% 997 mb
Low level cloud: 96%
Mid level cloud: 94%
High level cloud: 5%
Most Significant Cloud Type: low
100%
0.1 In
12:00

WNW
WNW

 6 / 12 mph 63 / 63°F 60% 1014 mb
Low level cloud: 47%
Mid level cloud: 13%
High level cloud: 15%
Most Significant Cloud Type: low
53%
0.0 In
18:00

SSW
SSW

 7 / 14 mph 56 / 54°F 89% 997 mb
Low level cloud: 32%
Mid level cloud: 42%
High level cloud: 100%
Most Significant Cloud Type: low
58%
0.3 In
Fri 17
May		00:00

WSW
WSW

 5 / 11 mph 54 / 53°F 92% 1015 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
0.0 In
06:00

S
S

 5 / 10 mph 50 / 48°F 94% 1001 mb
Low level cloud: 50%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
56%
0.0 In
12:00

SSW
SSW

 16 / 34 mph 60 / 60°F 61% 1010 mb
Low level cloud: 15%
Mid level cloud: 72%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
18:00

SSE
SSE

 8 / 17 mph 57 / 55°F 78% 1002 mb
Low level cloud: 27%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
31%
0.1 In
Sat 18
May		00:00

SW
SW

 9 / 18 mph 49 / 45°F 97% 1005 mb
Low level cloud: 89%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
91%
0.2 In
06:00

ESE
ESE

 7 / 15 mph 48 / 45°F 98% 1006 mb
Low level cloud: 92%
Mid level cloud: 49%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
12:00

WNW
WNW

 12 / 26 mph 56 / 53°F 82% 1011 mb
Low level cloud: 99%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 In
18:00

ENE
ENE

 14 / 29 mph 53 / 48°F 93% 1007 mb
Low level cloud: 56%
Mid level cloud: 72%
High level cloud: 100%
Most Significant Cloud Type: low
92%
0.1 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