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, 21-Jul-2026 03:00 pm
 
This
afternoon
Partly Cloudy
Partly Cloudy
Tonight

Partly Cloudy
Partly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Mostly Cloudy
Mostly Cloudy
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Mostly Cloudy
Mostly Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Clear
Clear
Saturday

Mostly Sunny
Mostly Sunny
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Clear
Clear
Monday

Sunny
Sunny
Monday
night
Clear
Clear
Tuesday

Sunny
Sunny
Tuesday
night
Fog late
Fog late
Wednesday

Partly Cloudy
Partly Cloudy
Wednesday
night
Mostly Cloudy
Mostly Cloudy
<2 mm. <2 mm. <2 mm.
High: 26° Low: 13° High: 25° Low: 15° High: 24° Low: 14° High: 27° Low: 13° High: 26° Low: 13° High: 23° Low: 11° High: 27° Low: 12° High: 29° Low: 13° High: 30° Low: 14°
                                   
N
6-16
mph
Moderate breeze
E
3
mph
Light air
E→SSE
2→6
mph
Light breeze
SSE
5→calm
mph
Light breeze
SSW
3→9-19
mph
Fresh breeze
SSW
7-18→4
mph
Moderate breeze
WSW
4→9-18
mph
Moderate breeze
WSW→NNW
6-16
mph
Moderate breeze
NNW→W
5→12-22
mph
Fresh breeze
W
10-21→5
mph
Fresh breeze
W
7→10-18
mph
Moderate breeze
NW
9-18→5
mph
Moderate breeze
NW
8-16
mph
Moderate breeze
WNW
9-17→3
mph
Moderate breeze
WNW→SW
4→9-17
mph
Moderate breeze
WSW→NNW
6-16→3
mph
Moderate breeze
NNW→SW
4
mph
Light breeze
W→NNE
6→3
mph
Light breeze
UV: 6
 High 
UV: 4
 Medium 
UV: 6
 High 
UV: 6
 High 
UV: 4
 Medium 
UV: 6
 High 
UV: 6
 High 
UV: 6
 High 

 

This afternoon
 
Fair to partly cloudy. Warm. High 26°. UV index up to 6. Wind north around 6 mph, gusting to 16 mph.
Tonight
 
Partly cloudy in the evening, becoming clear after midnight. Low 13°. Wind east around 3 mph.
Wednesday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. High 25°. UV index up to 4. Wind east around 2 mph in the morning, becoming south-southeast around 6 mph in the afternoon.
Wednesday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 15°. Wind south-southeast around 5 mph in the evening, becoming near calm after midnight.
Thursday
 
Mostly cloudy to cloudy. A slight chance of rain. High 24°. Wind south-southwest around 3 mph in the morning, becoming 9 mph, gusting to 19 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Fair in the evening, becoming partly to mostly cloudy after midnight. Low 14°. Wind south-southwest around 7 mph, gusting to 18 mph, in the evening, becoming 4 mph after midnight.
Friday
 
Mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Warm. High 27°. UV index up to 6. Wind west-southwest around 4 mph in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon.
Friday night
 
Clear. Low 13°. Wind west-southwest around 6 mph, gusting to 16 mph, in the evening, becoming north-northwest after midnight.
Saturday
 
Partly to mostly sunny. Warm. High 26°. UV index up to 6. Wind north-northwest around 5 mph in the morning, becoming west around 12 mph, gusting to 22 mph, in the afternoon.
Saturday night
 
Mostly clear in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain after midnight. Low 13°. Wind west around 10 mph, gusting to 21 mph, in the evening, becoming 5 mph after midnight. Precipitation mostly less than 2 mm.
Sunday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 23°. UV index up to 4. Wind west around 7 mph in the morning, becoming 10 mph, gusting to 18 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Clear. Low 11°. Wind northwest around 9 mph, gusting to 18 mph, in the evening, becoming 5 mph after midnight.
Monday
 
Sunny. Warm. High 27°. UV index up to 6. Wind northwest around 8 mph, gusting to 16 mph.
Monday night
 
Clear. Low 12°. Wind west-northwest around 9 mph, gusting to 17 mph, in the evening, becoming 3 mph after midnight.
Tuesday
 
Sunny. Warm. High 29°. UV index up to 6. Wind west-northwest around 4 mph in the morning, becoming southwest around 9 mph, gusting to 17 mph, in the afternoon.
Tuesday night
 
Clear in the evening, becoming mostly clear after midnight. Patchy light fog after midnight. Low 13°. Wind west-southwest around 6 mph, gusting to 16 mph, in the evening, becoming north-northwest around 3 mph after midnight.
Wednesday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. Unusually hot. High 30°. UV index up to 6. Wind north-northwest around 4 mph in the morning, becoming southwest in the afternoon.
Wednesday night
 
Partly to mostly cloudy. Low 14°. Wind west around 6 mph in the evening, becoming north-northeast around 3 mph 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.