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Sully Weather Forecast

Temperature, wind, rain and more for Sully

The Vale Of Glamorgan, United Kingdom

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 13
Feb		12:00

ENE
ENE

 12 / 14 mph 46 / 41°F 85% 990 mb
Low level cloud: 78%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

 21 / 26 mph 40 / 31°F 95% 992 mb
Low level cloud: 81%
Mid level cloud: 89%
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

 27 / 35 mph 37 / 25°F 96% 997 mb
Low level cloud: 90%
Mid level cloud: 59%
High level cloud: 18%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

 24 / 31 mph 37 / 26°F 96% 1003 mb
Low level cloud: 89%
Mid level cloud: 68%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 14
Feb		00:00

NNE
NNE

 19 / 26 mph 37 / 27°F 82% 1009 mb
Low level cloud: 76%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

 14 / 19 mph 36 / 27°F 78% 1012 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
06:00

NNW
NNW

 8 / 13 mph 34 / 28°F 79% 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
09:00

NNW
NNW

 4 / 6 mph 36 / 32°F 73% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 14%
Most Significant Cloud Type: high
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

 3 / 4 mph 41 / 39°F 60% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 90%
Most Significant Cloud Type: high
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

 6 / 8 mph 41 / 37°F 61% 1019 mb
Low level cloud: 0%
Mid level cloud: 78%
High level cloud: 100%
Most Significant Cloud Type: medium
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

S
S

 9 / 14 mph 39 / 33°F 71% 1018 mb
Low level cloud: 1%
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
21:00

S
S

 15 / 20 mph 36 / 27°F 88% 1016 mb
Low level cloud: 90%
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
The 7 day weather forecast summary for Sully:

The forecast for Sully in the coming week is predicting the average daytime maximum temperature will be around 8°C, with a high for the week of 11°C expected on the afternoon of Friday 20th. The average minimum temperature will be 3°C, dipping to its lowest on the morning of Saturday 14th at 0°C. Expect the next week to have some days seeing a little precipitation and some days with rain, sleet or snow. It looks like Friday 14th will have the most precipitation with an accumulation of around 15.0mm. On the whole winds are likely to be fresh. The strongest wind will be felt on Thursday afternoon, coming from a westerly direction, and reaching around 35mph.

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