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: Wednesday, 22-Jul-2026 04:00 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Mostly Cloudy
Mostly Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Mostly Cloudy
Mostly Cloudy
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Sunny
Sunny
Monday
night
Fog late
Fog late
Tuesday

Fog a.m.
Fog a.m.
Tuesday
night
Fog late
Fog late
Wednesday

Fog a.m.
Fog a.m.
Wednesday
night
Fog late
Fog late
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Clear
Clear
<2 mm. <2 mm. <2 mm. <2 mm.
Low: 16° High: 25° Low: 15° High: 27° Low: 15° High: 25° Low: 16° High: 23° Low: 12° High: 26° Low: 11° High: 28° Low: 12° High: 28° Low: 12° High: 28° Low: 13°
                                 
ESE
3
mph
Light air
SSE
3→8-17
mph
Moderate breeze
S
5-16
mph
Moderate breeze
SW
5-16→10-19
mph
Fresh breeze
WSW→NNW
9-18→4
mph
Moderate breeze
WNW
7-21→16-25
mph
Strong breeze
WNW
11-23→7
mph
Fresh breeze
WNW
10-20→13-22
mph
Fresh breeze
NW
10-19→6
mph
Fresh breeze
NW→WSW
7-16
mph
Moderate breeze
WSW
8-15→2
mph
Moderate breeze
SSW
5→10-18
mph
Moderate breeze
W
6-15
mph
Moderate breeze
WSW
5→9-17
mph
Moderate breeze
W
9-17→5
mph
Moderate breeze
NW
4
mph
Light breeze
WSW→ENE
3
mph
Light air
UV: 6
 High 
UV: 5
 Medium 
UV: 6
 High 
UV: 6
 High 
UV: 6
 High 
UV: 5
 Medium 

 

Tonight
 
Fair in the evening, becoming partly to mostly cloudy after midnight. Low 16°. Wind east-southeast around 3 mph.
Thursday
 
Mostly cloudy to cloudy. A slight chance of rain. High 25°. Wind south-southeast around 3 mph in the morning, becoming 8 mph, gusting to 17 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Partly to mostly cloudy. Low 15°. Wind south around 5 mph, gusting to 16 mph.
Friday
 
Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Warm. High 27°. UV index up to 6. Wind southwest around 5 mph, gusting to 16 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon.
Friday night
 
Clear in the evening, becoming partly to mostly cloudy after midnight. Low 15°. Wind west-southwest around 9 mph, gusting to 18 mph, in the evening, becoming north-northwest around 4 mph after midnight.
Saturday
 
Partly cloudy. Breezy. High 25°. UV index up to 5. Wind west-northwest around 7 mph, gusting to 21 mph, in the morning, becoming 16 mph, gusting to 25 mph, in the afternoon.
Saturday night
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A chance of rain after midnight. Low 16°. Wind west-northwest around 11 mph, gusting to 23 mph, in the evening, becoming 7 mph after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. Breezy. High 23°. Wind west-northwest around 10 mph, gusting to 20 mph, in the morning, becoming 13 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Mostly cloudy in the evening, becoming clear after midnight. A slight chance of rain. Low 12°. Wind northwest around 10 mph, gusting to 19 mph, in the evening, becoming 6 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Sunny. Warm. High 26°. UV index up to 6. Wind northwest around 7 mph, gusting to 16 mph, in the morning, becoming west-southwest in the afternoon.
Monday night
 
Clear. Patchy light fog after midnight. Low 11°. Wind west-southwest around 8 mph, gusting to 15 mph, in the evening, becoming 2 mph after midnight.
Tuesday
 
Sunny. Patchy light fog in the morning. Warm. High 28°. UV index up to 6. Wind south-southwest around 5 mph in the morning, becoming 10 mph, gusting to 18 mph, in the afternoon.
Tuesday night
 
Mostly clear in the evening, becoming clear after midnight. Patchy light fog after midnight. Low 12°. Wind west around 6 mph, gusting to 15 mph.
Wednesday
 
Sunny in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. Warm. High 28°. UV index up to 6. Wind west-southwest around 5 mph in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon.
Wednesday night
 
Partly cloudy. Patchy light fog after midnight. Low 12°. Wind west around 9 mph, gusting to 17 mph, in the evening, becoming 5 mph after midnight.
Thursday
 
Sunny in the morning, becoming partly cloudy in the afternoon. Warm. High 28°. UV index up to 5. Wind northwest around 4 mph.
Thursday night
 
Clear in the evening, becoming fair after midnight. Low 13°. Wind west-southwest around 3 mph in the evening, becoming east-northeast after midnight.

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.