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Wilstone Reservoir 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Wilstone Reservoir

Hertfordshire, United Kingdom

Long range weather outlook for Wilstone Reservoir includes 14 day forecast summary:

The outlook for Wilstone Reservoir in the two weeks ahead shows the average daytime maximum temperature will be around 18°C, with a high for the two weeks of 21°C expected on the afternoon of Saturday 11th. The mean minimum temperature will be 11°C, dipping to its lowest on the morning of Monday 13th at 8°C. The fortnight ahead will have some days seeing a little precipitation and some days with rain. The indicators are that Tuesday 14th will have the most precipitation with an accumulation of around 3.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Wed 08
May		15:00

E
E

 4 / 4 mph 65 / 62°F 73% 1027 mb
Low level cloud: 54%
Mid level cloud: 16%
High level cloud: 98%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ESE
ESE

 5 / 7 mph 63 / 60°F 86% 1027 mb
Low level cloud: 43%
Mid level cloud: 26%
High level cloud: 100%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSE
SSE

 5 / 10 mph 55 / 53°F 94% 1028 mb
Low level cloud: 55%
Mid level cloud: 45%
High level cloud: 78%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 09
May		00:00

S
S

 6 / 10 mph 53 / 51°F 97% 1027 mb
Low level cloud: 59%
Mid level cloud: 46%
High level cloud: 55%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

 5 / 10 mph 50 / 49°F 97% 1027 mb
Low level cloud: 48%
Mid level cloud: 17%
High level cloud: 36%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SW
SW

 4 / 6 mph 54 / 51°F 96% 1027 mb
Low level cloud: 44%
Mid level cloud: 37%
High level cloud: 0%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WSW
WSW

 6 / 7 mph 61 / 60°F 84% 1027 mb
Low level cloud: 78%
Mid level cloud: 31%
High level cloud: 82%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 6 / 7 mph 65 / 64°F 74% 1026 mb
Low level cloud: 79%
Mid level cloud: 18%
High level cloud: 100%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

 4 / 5 mph 68 / 66°F 69% 1025 mb
Low level cloud: 48%
Mid level cloud: 19%
High level cloud: 80%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 5 / 8 mph 65 / 62°F 85% 1024 mb
Low level cloud: 45%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 2 / 3 mph 57 / 57°F 88% 1025 mb
Low level cloud: 31%
Mid level cloud: 25%
High level cloud: 100%
Most Significant Cloud Type: low
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 10
May		00:00

W
W

 2 / 4 mph 55 / 55°F 91% 1025 mb
Low level cloud: 36%
Mid level cloud: 42%
High level cloud: 93%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

W
W

 3 / 7 mph 53 / 53°F 93% 1024 mb
Low level cloud: 53%
Mid level cloud: 71%
High level cloud: 100%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WSW
WSW

 2 / 3 mph 57 / 56°F 91% 1024 mb
Low level cloud: 28%
Mid level cloud: 51%
High level cloud: 100%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 2 / 3 mph 63 / 60°F 85% 1024 mb
Low level cloud: 38%
Mid level cloud: 54%
High level cloud: 100%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

 2 / 2 mph 65 / 65°F 74% 1023 mb
Low level cloud: 75%
Mid level cloud: 46%
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

 3 / 3 mph 69 / 66°F 73% 1021 mb
Low level cloud: 54%
Mid level cloud: 33%
High level cloud: 17%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 2 / 3 mph 69 / 66°F 85% 1021 mb
Low level cloud: 27%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ESE
ESE

 2 / 4 mph 58 / 59°F 91% 1021 mb
Low level cloud: 55%
Mid level cloud: 44%
High level cloud: 1%
Most Significant Cloud Type: low
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 11
May		00:00

ESE
ESE

 2 / 4 mph 57 / 58°F 93% 1021 mb
Low level cloud: 26%
Mid level cloud: 44%
High level cloud: 33%
Most Significant Cloud Type: low
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

E
E

 2 / 4 mph 55 / 57°F 95% 1021 mb
Low level cloud: 34%
Mid level cloud: 44%
High level cloud: 73%
Most Significant Cloud Type: low
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

E
E

 2 / 4 mph 58 / 58°F 96% 1021 mb
Low level cloud: 66%
Mid level cloud: 45%
High level cloud: 16%
Most Significant Cloud Type: low
84%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

ESE
ESE

 5 / 5 mph 63 / 62°F 87% 1021 mb
Low level cloud: 56%
Mid level cloud: 44%
High level cloud: 93%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 7 / 9 mph 68 / 66°F 69% 1021 mb
Low level cloud: 13%
Mid level cloud: 28%
High level cloud: 14%
Most Significant Cloud Type: low
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

E
E

 9 / 10 mph 70 / 68°F 66% 1020 mb
Low level cloud: 22%
Mid level cloud: 23%
High level cloud: 8%
Most Significant Cloud Type: low
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 9 / 12 mph 66 / 64°F 81% 1020 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 21%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ESE
ESE

 7 / 13 mph 55 / 53°F 93% 1021 mb
Low level cloud: 3%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 12
May		00:00

E
E

 7 / 13 mph 52 / 50°F 96% 1021 mb
Low level cloud: 13%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

 7 / 13 mph 49 / 46°F 95% 1021 mb
Low level cloud: 6%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

 9 / 14 mph 52 / 47°F 94% 1021 mb
Low level cloud: 37%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

ENE
ENE

 13 / 15 mph 61 / 60°F 80% 1020 mb
Low level cloud: 62%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

ENE
ENE

 14 / 17 mph 66 / 64°F 70% 1019 mb
Low level cloud: 62%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ENE
ENE

 13 / 16 mph 65 / 63°F 75% 1018 mb
Low level cloud: 73%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

 13 / 18 mph 62 / 60°F 82% 1018 mb
Low level cloud: 13%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NE
NE

 11 / 18 mph 51 / 47°F 94% 1018 mb
Low level cloud: 29%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 13
May		00:00

NE
NE

 9 / 15 mph 47 / 42°F 99% 1018 mb
Low level cloud: 80%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NE
NE

 10 / 15 mph 47 / 42°F 97% 1017 mb
Low level cloud: 86%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

 11 / 16 mph 50 / 45°F 94% 1016 mb
Low level cloud: 90%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NE
NE

 14 / 17 mph 57 / 53°F 90% 1015 mb
Low level cloud: 60%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

 13 / 16 mph 61 / 61°F 87% 1014 mb
Low level cloud: 87%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ENE
ENE

 13 / 17 mph 66 / 64°F 82% 1013 mb
Low level cloud: 69%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

 12 / 17 mph 64 / 62°F 88% 1012 mb
Low level cloud: 21%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

 12 / 19 mph 53 / 50°F 98% 1013 mb
Low level cloud: 87%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 14
May		00:00

NNE
NNE

 12 / 17 mph 51 / 46°F 98% 1012 mb
Low level cloud: 92%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

 13 / 19 mph 51 / 46°F 96% 1011 mb
Low level cloud: 80%
Mid level cloud: 9%
High level cloud: 5%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

 12 / 16 mph 52 / 47°F 95% 1010 mb
Low level cloud: 83%
Mid level cloud: 16%
High level cloud: 15%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NE
NE

 12 / 15 mph 55 / 51°F 94% 1009 mb
Low level cloud: 93%
Mid level cloud: 6%
High level cloud: 15%
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 / 13 mph 58 / 55°F 91% 1008 mb
Low level cloud: 99%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: low
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ENE
ENE

 9 / 11 mph 60 / 59°F 87% 1007 mb
Low level cloud: 70%
Mid level cloud: 40%
High level cloud: 39%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

 9 / 12 mph 59 / 57°F 97% 1007 mb
Low level cloud: 94%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

ENE
ENE

 9 / 13 mph 57 / 54°F 99% 1007 mb
Low level cloud: 100%
Mid level cloud: 78%
High level cloud: 19%
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
Wed 15
May		00:00

NE
NE

 6 / 13 mph 60 / 60°F 99% 1004 mb
Low level cloud: 99%
Mid level cloud: 69%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.7 In
06:00

NNE
NNE

 2 / 4 mph 54 / 54°F 97% 1007 mb
Low level cloud: 84%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: low
83%
0.1 In
12:00

NE
NE

 10 / 21 mph 50 / 46°F 95% 1005 mb
Low level cloud: 89%
Mid level cloud: 82%
High level cloud: 13%
Most Significant Cloud Type: low
100%
0.5 In
18:00

NNE
NNE

 16 / 34 mph 59 / 55°F 92% 1005 mb
Low level cloud: 97%
Mid level cloud: 44%
High level cloud: 78%
Most Significant Cloud Type: low
100%
0.0 In
Thu 16
May		00:00

NE
NE

 20 / 42 mph 43 / 34°F 92% 1011 mb
Low level cloud: 94%
Mid level cloud: 47%
High level cloud: 89%
Most Significant Cloud Type: low
100%
0.6 In
06:00

NNE
NNE

 14 / 30 mph 45 / 38°F 95% 1009 mb
Low level cloud: 98%
Mid level cloud: 46%
High level cloud: 34%
Most Significant Cloud Type: low
100%
0.3 In
12:00

NE
NE

 25 / 53 mph 45 / 36°F 97% 1014 mb
Low level cloud: 100%
Mid level cloud: 85%
High level cloud: 69%
Most Significant Cloud Type: low
100%
0.4 In
18:00

NE
NE

 12 / 26 mph 52 / 47°F 77% 1017 mb
Low level cloud: 8%
Mid level cloud: 88%
High level cloud: 6%
Most Significant Cloud Type: medium
100%
0.0 In
Fri 17
May		00:00

NE
NE

 21 / 44 mph 46 / 38°F 75% 1017 mb
Low level cloud: 78%
Mid level cloud: 49%
High level cloud: 88%
Most Significant Cloud Type: low
100%
0.0 In
06:00

NNE
NNE

 10 / 22 mph 41 / 35°F 93% 1022 mb
Low level cloud: 61%
Mid level cloud: 0%
High level cloud: 57%
Most Significant Cloud Type: low
68%
0.0 In
12:00

NE
NE

 21 / 43 mph 49 / 42°F 81% 1017 mb
Low level cloud: 92%
Mid level cloud: 95%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
18:00

NE
NE

 13 / 28 mph 49 / 44°F 76% 1024 mb
Low level cloud: 2%
Mid level cloud: 2%
High level cloud: 4%
Most Significant Cloud Type: low
3%
0.0 In
Sat 18
May		00:00

NE
NE

 15 / 31 mph 44 / 37°F 85% 1017 mb
Low level cloud: 65%
Mid level cloud: 23%
High level cloud: 100%
Most Significant Cloud Type: low
84%
0.0 In
06:00

N
N

 9 / 19 mph 40 / 34°F 91% 1027 mb
Low level cloud: 40%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
40%
0.0 In
12:00

NNE
NNE

 13 / 28 mph 52 / 47°F 74% 1016 mb
Low level cloud: 84%
Mid level cloud: 30%
High level cloud: 21%
Most Significant Cloud Type: low
96%
0.0 In
18:00

NE
NE

 9 / 18 mph 54 / 51°F 77% 1025 mb
Low level cloud: 9%
Mid level cloud: 5%
High level cloud: 11%
Most Significant Cloud Type: low
11%
0.0 In
Sun 19
May		00:00

NE
NE

 5 / 11 mph 46 / 43°F 93% 1017 mb
Low level cloud: 2%
Mid level cloud: 7%
High level cloud: 100%
Most Significant Cloud Type: medium
16%
0.0 In
06:00

NNE
NNE

 6 / 12 mph 47 / 44°F 86% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
12:00

NE
NE

 6 / 13 mph 55 / 53°F 66% 1015 mb
Low level cloud: 91%
Mid level cloud: 44%
High level cloud: 1%
Most Significant Cloud Type: low
100%
0.0 In
18:00

NNE
NNE

 9 / 19 mph 57 / 55°F 78% 1026 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 10%
Most Significant Cloud Type: low
2%
0.0 In
Mon 20
May		00:00

WNW
WNW

 2 / 4 mph 47 / 47°F 89% 1016 mb
Low level cloud: 68%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
76%
0.0 In
06:00

NW
NW

 3 / 7 mph 54 / 54°F 86% 1026 mb
Low level cloud: 11%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
20%
0.0 In
12:00

W
W

 4 / 9 mph 59 / 59°F 67% 1016 mb
Low level cloud: 21%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
25%
0.0 In
18:00

NE
NE

 9 / 18 mph 59 / 60°F 85% 1024 mb
Low level cloud: 8%
Mid level cloud: 26%
High level cloud: 9%
Most Significant Cloud Type: medium
48%
0.0 In
Tue 21
May		00:00

SW
SW

 5 / 10 mph 48 / 47°F 93% 1019 mb
Low level cloud: 2%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
0.0 In
06:00

NW
NW

 3 / 6 mph 53 / 53°F 86% 1024 mb
Low level cloud: 60%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
76%
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