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: Monday, 10-Aug-2026 11:00 am
 
This
afternoon
Partly Cloudy
Partly Cloudy
Tonight

Partly Cloudy
Partly Cloudy
Tuesday

Sunny
Sunny
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Mostly Sunny
Mostly Sunny
Wednesday
night
Clear
Clear
Thursday

Sunny
Sunny
Thursday
night
Mostly Clear
Mostly Clear
Friday

Mostly Sunny
Mostly Sunny
Friday
night
Mostly Cloudy
Mostly Cloudy
Saturday

Mostly Sunny
Mostly Sunny
Saturday
night
Mostly Clear
Mostly Clear
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Partly Cloudy
Partly Cloudy
Monday
night
Mostly Cloudy
Mostly Cloudy
Tuesday

Cloudy
Cloudy
Tuesday
night
Partly Cloudy
Partly Cloudy
<2 mm. <2 mm. <2 mm.
High: 25° Low: 13° High: 27° Low: 15° High: 31° Low: 15° High: 33° Low: 14° High: 30° Low: 17° High: 26° Low: 12° High: 25° Low: 13° High: 26° Low: 17° High: 22° Low: 13°
                                   
N
7-17
mph
Moderate breeze
NNE→ESE
5
mph
Light breeze
ESE
9-19
mph
Fresh breeze
ESE
7-16
mph
Moderate breeze
SE
8-17
mph
Moderate breeze
SE→ENE
5
mph
Light breeze
SE
7-17→11-19
mph
Fresh breeze
WSW→WNW
5
mph
Light breeze
WNW
5→9-18
mph
Moderate breeze
WNW→N
9-17
mph
Moderate breeze
N
10-19
mph
Fresh breeze
N
5
mph
Light breeze
N→WSW
4
mph
Light breeze
WSW→NW
4
mph
Light breeze
NW→W
3→9-17
mph
Moderate breeze
W
11-17
mph
Moderate breeze
W
13-20
mph
Fresh breeze
W→NNW
11-20
mph
Fresh breeze
UV: 6
 High 
UV: 6
 High 
UV: 6
 High 
UV: 6
 High 
UV: 6
 High 
UV: 6
 High 
UV: 4
 Medium 
UV: 6
 High 

 

This afternoon
 
Fair to partly cloudy. Warm. High 25°. UV index up to 6. Wind north around 7 mph, gusting to 17 mph.
Tonight
 
Fair to partly cloudy in the evening, becoming mostly clear after midnight. Low 13°. Wind north-northeast around 5 mph in the evening, becoming east-southeast after midnight.
Tuesday
 
Sunny. Warm. High 27°. UV index up to 6. Wind east-southeast around 9 mph, gusting to 19 mph.
Tuesday night
 
Fair in the evening, becoming partly to mostly cloudy after midnight. Low 15°. Wind east-southeast around 7 mph, gusting to 16 mph.
Wednesday
 
Partly to mostly sunny in the morning, becoming sunny in the afternoon. Unusually hot. High 31°. UV index up to 6. Wind southeast around 8 mph, gusting to 17 mph.
Wednesday night
 
Clear. Low 15°. Wind southeast around 5 mph in the evening, becoming east-northeast after midnight.
Thursday
 
Sunny. Exceptionally hot. High 33°. UV index up to 6. Wind southeast around 7 mph, gusting to 17 mph, in the morning, becoming 11 mph, gusting to 19 mph, in the afternoon.
Thursday night
 
Clear in the evening, becoming mostly clear after midnight. Low 14°. Wind west-southwest around 5 mph in the evening, becoming west-northwest after midnight.
Friday
 
Partly to mostly sunny. Unusually hot. High 30°. UV index up to 6. Wind west-northwest around 5 mph in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon.
Friday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 17°. Wind west-northwest around 9 mph, gusting to 17 mph, in the evening, becoming north after midnight.
Saturday
 
Sunny in the morning, becoming partly to mostly sunny in the afternoon. Warm. High 26°. UV index up to 6. Wind north around 10 mph, gusting to 19 mph.
Saturday night
 
Clear in the evening, becoming mostly clear after midnight. Low 12°. Wind north around 5 mph.
Sunday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Warm. High 25°. UV index up to 4. Wind north around 4 mph in the morning, becoming west-southwest in the afternoon.
Sunday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 13°. Wind west-southwest around 4 mph in the evening, becoming northwest after midnight.
Monday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Warm. High 26°. UV index up to 6. Wind northwest around 3 mph in the morning, becoming west around 9 mph, gusting to 17 mph, in the afternoon.
Monday night
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain after midnight. Breezy. Low 17°. Wind west around 11 mph, gusting to 17 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A slight chance of rain. Breezy. High 22°. Wind west around 13 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Partly cloudy in the evening, becoming fair after midnight. A slight chance of rain. Low 13°. Wind west around 11 mph, gusting to 20 mph, in the evening, becoming north-northwest after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 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.