MOUNTAIN WEATHER

Weather data for hill walking and climbing

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Mountain Weather

South Downs Weather Forecast

Base: 15m (49ft); Upper: 271m (889ft)

United Kingdom

DATE BASE LEVEL @ 15m UPPER LEVEL @ 271m MORE ELEMENTS
Day Local Time Wind Dir Wind Speed Icon Temp RH Vis Wind Dir Wind Speed Icon Temp Precip Freeze Level Cloud Amount Pressure
Units =>degmph °F%milesdegmph °FInm%mb
Mon 29
Apr
09:00

195°

1852806

198°

24470.01533451016
 12:00

195°

1955716

200°

26490.01371331016
 15:00

195°

1855696

200°

25500.01455231015
 18:00

176°

1252806

190°

21510.01608251014
 21:00

166°

1046906

192°

22500.01672191015
Tue 30
Apr
00:00

174°

946926

191°

21480.0191291015
 03:00

164°

844956

183°

21470.0188491014
 06:00

150°

947926

168°

20470.0187511012
 09:00

158°

1456806

161°

20500.01865441011
 12:00

148°

1657836

152°

21500.018481001010
 15:00

154°

1157825

160°

15510.01994351008
 18:00

154°

854896

166°

14510.01932431008
 21:00

158°

550961

189°

12500.01907691009
The 7 day weather forecast summary for South Downs, United Kingdom:

Taking a look at the forecast over the coming week and the average daytime maximum will be around 14°C, with a high of 17°C expected on Monday afternoon. The average minimum temperature for the week ahead will be around 7°C, dipping to its lowest on Monday morning at 5°C. Friday is expected to see the most precipitation with around 18mm, or about 0.7inches anticipated. The strongest wind will be felt on Monday afternoon, coming from the south, and reaching around 20mph, that's about 32km/h.

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