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: Tuesday, 04-Aug-2026 10:00 pm
 
Rest of
tonight
Mostly Cloudy
Mostly Cloudy
Wednesday

Mostly Sunny
Mostly Sunny
Wednesday
night
Mostly Clear
Mostly Clear
Thursday

Sunny
Sunny
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Sunny
Sunny
Friday
night
Clear
Clear
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Sunny
Sunny
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Partly Cloudy
Partly Cloudy
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Sunny
Sunny
Wednesday
night
Clear
Clear
<2 mm. <2 mm.
Low: 18° High: 23° Low: 12° High: 23° Low: 11° High: 25° Low: 10° High: 26° Low: 11° High: 27° Low: 13° High: 26° Low: 13° High: 25° Low: 13° High: 26° Low: 11°
                                 
SSW
10-17
mph
Moderate breeze
WSW
12-24→16-25
mph
Strong breeze
WSW
12-23→6
mph
Fresh breeze
WSW
10-20
mph
Fresh breeze
WNW→NNW
8-18→4
mph
Moderate breeze
N→SSW
3→6-17
mph
Moderate breeze
SW→NNW
5→calm
mph
Light breeze
SSE
4→7-15
mph
Moderate breeze
SSW→WNW
3
mph
Light air
W
4→8-16
mph
Moderate breeze
W→NNW
6
mph
Light breeze
NNW
8-16
mph
Moderate breeze
NNE→ESE
5
mph
Light breeze
ESE
7-16
mph
Moderate breeze
ESE
7-16
mph
Moderate breeze
E
8-17
mph
Moderate breeze
ENE
6
mph
Light breeze
UV: 6
 High 
UV: 6
 High 
UV: 6
 High 
UV: 5
 Medium 
UV: 6
 High 
UV: 5
 Medium 
UV: 4
 Medium 
UV: 6
 High 

 

Rest of tonight
 
Mostly cloudy. A slight chance of rain. Low 18°. Wind south-southwest around 10 mph, gusting to 17 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly sunny in the morning, becoming sunny in the afternoon. Breezy. High 23°. UV index up to 6. Wind west-southwest around 12 mph, gusting to 24 mph, in the morning, becoming 16 mph, gusting to 25 mph, in the afternoon.
Wednesday night
 
Mostly clear in the evening, becoming clear after midnight. Low 12°. Wind west-southwest around 12 mph, gusting to 23 mph, in the evening, becoming 6 mph after midnight.
Thursday
 
Sunny. High 23°. UV index up to 6. Wind west-southwest around 10 mph, gusting to 20 mph.
Thursday night
 
Fair in the evening, becoming partly cloudy after midnight. Low 11°. Wind west-northwest around 8 mph, gusting to 18 mph, in the evening, becoming north-northwest around 4 mph after midnight.
Friday
 
Sunny. High 25°. UV index up to 6. Wind north around 3 mph in the morning, becoming south-southwest around 6 mph, gusting to 17 mph, in the afternoon.
Friday night
 
Fair in the evening, becoming clear after midnight. Low 10°. Wind southwest around 5 mph in the evening, becoming north-northwest near calm after midnight.
Saturday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Warm. High 26°. UV index up to 5. Wind south-southeast around 4 mph in the morning, becoming 7 mph, gusting to 15 mph, in the afternoon.
Saturday night
 
Fair to partly cloudy in the evening, becoming clear after midnight. Low 11°. Wind south-southwest around 3 mph in the evening, becoming west-northwest after midnight.
Sunday
 
Sunny. Warm. High 27°. UV index up to 6. Wind west around 4 mph in the morning, becoming 8 mph, gusting to 16 mph, in the afternoon.
Sunday night
 
Clear in the evening, becoming partly cloudy after midnight. Low 13°. Wind west around 6 mph in the evening, becoming north-northwest after midnight.
Monday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Warm. High 26°. UV index up to 5. Wind north-northwest around 8 mph, gusting to 16 mph.
Monday night
 
Mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 13°. Wind north-northeast around 5 mph in the evening, becoming east-southeast after midnight.
Tuesday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. Warm. High 25°. UV index up to 4. Wind east-southeast around 7 mph, gusting to 16 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 13°. Wind east-southeast around 7 mph, gusting to 16 mph.
Wednesday
 
Sunny. Warm. High 26°. UV index up to 6. Wind east around 8 mph, gusting to 17 mph.
Wednesday night
 
Clear. Low 11°. Wind east-northeast around 6 mph.

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.