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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
Mon 30
Mar		21:00

WNW
WNW

 7 / 14 mph 44 / 40°F 90% 1030 mb
Low level cloud: 13%
Mid level cloud: 50%
High level cloud: 1%
Most Significant Cloud Type: medium
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 31
Mar		00:00

W
W

 6 / 10 mph 47 / 44°F 85% 1031 mb
Low level cloud: 8%
Mid level cloud: 53%
High level cloud: 7%
Most Significant Cloud Type: medium
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

W
W

 10 / 17 mph 47 / 43°F 89% 1030 mb
Low level cloud: 16%
Mid level cloud: 57%
High level cloud: 95%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 9 / 17 mph 47 / 43°F 95% 1030 mb
Low level cloud: 39%
Mid level cloud: 49%
High level cloud: 100%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 8 / 10 mph 54 / 51°F 86% 1031 mb
Low level cloud: 24%
Mid level cloud: 74%
High level cloud: 77%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

 9 / 11 mph 59 / 57°F 76% 1030 mb
Low level cloud: 63%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
72%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

 11 / 15 mph 58 / 55°F 82% 1029 mb
Low level cloud: 60%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 10 / 17 mph 54 / 51°F 88% 1029 mb
Low level cloud: 14%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 4 / 9 mph 48 / 46°F 92% 1030 mb
Low level cloud: 80%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Sully:

The next 7 day outlook for Sully shows the average daytime maximum temperature will be around 12°C, with a high for the week of 15°C expected on the afternoon of Tuesday 31st. The average minimum temperature will be 7°C, dipping to its lowest on the morning of Tuesday 7th at 5°C. The week will have mostly dry days although Friday 03rd and Monday 06th are likely to see a significant amount of rain. The indicators are that Monday 7th will have the most precipitation with an accumulation of around 7.0mm. On the whole winds are likely to be moderate. The forecast suggests the strongest wind will be on Saturday evening, coming from a westerly direction, and reaching around 26mph. The forecast suggests the maximum gusts will be on Monday afternoon.

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