Winter Sky by David Packman  
Online since February 2006  
  

 
 
 
WXSim Local Weather Forecast
   
This local weather forecast was created using WXSim weather simulator software, and is normally updated every hour at 15 minutes past the hour. It is provided to give a guide as to what weather conditions may be experienced locally, and is most accurate for the first 48 hours.
WXSIM Forecast for: Winchester
Issued by: winchesterweather.org.uk
Updated: Saturday, 22-Aug-2026 08:00 am
 
Today

Partly Cloudy
Partly Cloudy
Tonight

Partly Cloudy
Partly Cloudy
Sunday

Mostly Sunny
Mostly Sunny
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Mostly Cloudy
Mostly Cloudy
Tuesday

Chance rain
Chance rain
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Chance rain
Chance rain
Wednesday
night
Rain likely
Rain likely
Thursday

Chance rain
Chance rain
Thursday
night
Fog
Fog
Friday

Rain likely
Rain likely
Friday
night
Fog late
Fog late
Saturday

Fog a.m.
Fog a.m.
Saturday
night
Fog
Fog
Sunday

Cloudy
Cloudy
Sunday
night
Rain likely
Rain likely
<2 mm. 2 mm. <2 mm. <5 mm. 20 mm. <5 mm. <2 mm. 50 mm. <2 mm. <2 mm. <2 mm. <2 mm. 15 mm.
High: 22° Low: 12° High: 24° Low: 13° High: 20° Low: 14° High: 23° Low: 15° High: 23° Low: 16° High: 22° Low: 15° High: 18° Low: 14° High: 21° Low: 14° High: 20° Low: 15°
                                   
NNW
6-16
mph
Moderate breeze
S→SE
3
mph
Light air
E→SE
3→7
mph
Light breeze
SE→ENE
6
mph
Light breeze
ENE
13-21
mph
Fresh breeze
ENE
12-19
mph
Fresh breeze
E
9-16
mph
Moderate breeze
E
3
mph
Light air
SSE
3→9-18
mph
Moderate breeze
ESE
6
mph
Light breeze
SSW
12-23→16-25
mph
Strong breeze
SSW
8-21
mph
Fresh breeze
S
13-21→5-15
mph
Fresh breeze
NW
10-18
mph
Moderate breeze
WNW
10-20
mph
Fresh breeze
WSW
5
mph
Light breeze
SSW→SSE
6
mph
Light breeze
SW
7-17→11-21
mph
Fresh breeze
UV: 4
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 

 

Today
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. High 22°. UV index up to 4. Wind north-northwest around 6 mph, gusting to 16 mph.
Tonight
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 12°. Wind south around 3 mph in the evening, becoming southeast after midnight.
Sunday
 
Mostly sunny in the morning, becoming sunny in the afternoon. Warm. High 24°. UV index up to 4. Wind east around 3 mph in the morning, becoming southeast around 7 mph in the afternoon.
Sunday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 13°. Wind southeast around 6 mph in the evening, becoming east-northeast after midnight.
Monday
 
Mostly cloudy to cloudy. Breezy. High 20°. Wind east-northeast around 13 mph, gusting to 21 mph.
Monday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Breezy. Low 14°. Wind east-northeast around 12 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Dense overcast in the morning, becoming mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 23°. UV index up to 4. Wind east around 9 mph, gusting to 16 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Low 15°. Wind east around 3 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 23°. Wind south-southeast around 3 mph in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Wednesday night
 
Cloudy in the evening, becoming dense overcast after midnight. Light to moderate fog. Rain very likely. Precipitation showery or intermittent. Low 16°. Wind east-southeast around 6 mph. Chance of precipitation 80 percent. Precipitation mostly around 20 mm.
Thursday
 
Mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. Precipitation showery or intermittent. Breezy. High 22°. UV index up to 4. Wind south-southwest around 12 mph, gusting to 23 mph, in the morning, becoming 16 mph, gusting to 25 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Thursday night
 
Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog. A slight chance of rain in the evening, then a chance of rain after midnight. Low 15°. Wind south-southwest around 8 mph, gusting to 21 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday
 
Dense overcast in the morning, becoming mostly cloudy in the afternoon. Patchy light fog. Rain very likely. High 18°. Wind south around 13 mph, gusting to 21 mph, in the morning, becoming 5 mph, gusting to 15 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly between 40 and 60 mm.
Friday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Light to moderate fog after midnight. A slight chance of rain. Low 14°. Wind northwest around 10 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the afternoon. High 21°. Wind west-northwest around 10 mph, gusting to 20 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog. A slight chance of rain. Low 14°. Wind west-southwest around 5 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A chance of rain. High 20°. Wind south-southwest around 6 mph in the morning, becoming south-southeast in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Dense overcast. Patchy light fog after midnight. Rain very likely. Precipitation showery or intermittent. Low 15°. Wind southwest around 7 mph, gusting to 17 mph, in the evening, becoming 11 mph, gusting to 21 mph, after midnight. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.

WXSIM forecast formatting script by Saratoga-Weather.org.

 
 
 
 
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Never base important decisions or events on data from this private weather station, which is offered as a general guide to local conditions only. Thankyou.