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, 29-Sep-2026 03:00 pm
 
This
afternoon
Cloudy
Cloudy
Tonight

Chance rain
Chance rain
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Sunny
Sunny
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Mostly Cloudy
Mostly Cloudy
Saturday

Mostly Sunny
Mostly Sunny
Saturday
night
Fog late
Fog late
Sunday

Fog a.m.
Fog a.m.
Sunday
night
Fog late
Fog late
Monday

Fog a.m.
Fog a.m.
Monday
night
Fog
Fog
Tuesday

Chance rain
Chance rain
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Partly Cloudy
Partly Cloudy
<2 mm. <2 mm. <2 mm. <2 mm. <2 mm. 5 mm.
High: 23° Low: 18° High: 21° Low: 12° High: 20° Low: 11° High: 19° Low: 11° High: 21° Low: 10° High: 20° Low: 10° High: 20° Low: 10° High: 16° Low: 10° High: 16° Low: 9°
                                   
ESE
10-20
mph
Fresh breeze
ESE→S
10-18
mph
Moderate breeze
SSW
12-21
mph
Fresh breeze
SW
4
mph
Light breeze
SW
5-15→8-17
mph
Moderate breeze
SW
4
mph
Light breeze
S
5-15→9-17
mph
Moderate breeze
S
2
mph
Light air
S
3
mph
Light air
SW→WNW
2
mph
Light air
WNW
3
mph
Light air
WNW
3
mph
Light air
WNW→WSW
4→8
mph
Gentle breeze
WSW
6
mph
Light breeze
NW
11-19
mph
Fresh breeze
WNW
6-17
mph
Moderate breeze
W
7-15
mph
Moderate breeze
W
5→8-17
mph
Moderate breeze

 

This afternoon
 
Cloudy. A chance of rain. Unusually warm. High 23°. Wind east-southeast around 10 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tonight
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Unusually warm. Low 18°. Wind east-southeast around 10 mph, gusting to 18 mph, in the evening, becoming south after midnight. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Partly to mostly cloudy in the morning, becoming mostly sunny in the afternoon. A slight chance of rain. Breezy and mild. High 21°. Wind south-southwest around 12 mph, gusting to 21 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Partly cloudy. A slight chance of rain. Low 12°. Wind southwest around 4 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
Sunny. Mild. High 20°. Wind southwest around 5 mph, gusting to 15 mph, in the morning, becoming 8 mph, gusting to 17 mph, in the afternoon.
Thursday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 11°. Wind southwest around 4 mph.
Friday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 19°. Wind south around 5 mph, gusting to 15 mph, in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon.
Friday night
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Low 11°. Wind south around 2 mph.
Saturday
 
Partly to mostly sunny in the morning, becoming mostly sunny in the afternoon. Mild. High 21°. Wind south around 3 mph.
Saturday night
 
Mostly clear in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 10°. Wind southwest around 2 mph in the evening, becoming west-northwest after midnight.
Sunday
 
Mostly sunny in the morning, becoming sunny in the afternoon. Patchy light fog in the morning. Mild. High 20°. Wind west-northwest around 3 mph.
Sunday night
 
Partly cloudy. Patchy light fog after midnight. Low 10°. Wind west-northwest around 3 mph.
Monday
 
Sunny. Patchy light fog in the morning. Mild. High 20°. Wind west-northwest around 4 mph in the morning, becoming west-southwest around 8 mph in the afternoon.
Monday night
 
Fair in the evening, becoming mostly cloudy after midnight. Patchy light fog. A slight chance of rain after midnight. Low 10°. Wind west-southwest around 6 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Cloudy in the morning, becoming mostly sunny in the afternoon. A chance of rain. Breezy. High 16°. Wind northwest around 11 mph, gusting to 19 mph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Tuesday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Low 10°. Wind west-northwest around 6 mph, gusting to 17 mph.
Wednesday
 
Partly to mostly cloudy. High 16°. Wind west around 7 mph, gusting to 15 mph.
Wednesday night
 
Fair to partly cloudy in the evening, becoming cloudy after midnight. Low 9°. Wind west around 5 mph in the evening, becoming 8 mph, gusting to 17 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.