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: Friday, 11-Sep-2026 09:00 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Rain likely
Rain likely
Sunday

Rain likely
Rain likely
Sunday
night
Fog late
Fog late
Monday

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

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

Fog a.m.
Fog a.m.
Wednesday
night
Mostly Cloudy
Mostly Cloudy
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Cloudy
Cloudy
Friday
night
Mostly Cloudy
Mostly Cloudy
Saturday

Chance rain
Chance rain
Saturday
night
Clear
Clear
30 mm. 20 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. 2 mm.
Low: 11° High: 24° Low: 17° High: 24° Low: 14° High: 22° Low: 13° High: 19° Low: 11° High: 17° Low: 12° High: 17° Low: 10° High: 16° Low: 12° High: 17° Low: 8°
                                 
WNW
3
mph
Light air
SW
7-19→12-21
mph
Fresh breeze
SW
8-18
mph
Moderate breeze
WSW
8-18
mph
Moderate breeze
WNW
4
mph
Light breeze
W→SW
4→9-17
mph
Moderate breeze
SW
6
mph
Light breeze
SW→WNW
8-16
mph
Moderate breeze
WNW
8-15
mph
Moderate breeze
WNW
10-18
mph
Moderate breeze
WSW
10-18
mph
Moderate breeze
W
13-22
mph
Fresh breeze
WNW
9-18
mph
Moderate breeze
WNW
11-19
mph
Fresh breeze
W→SW
7
mph
Light breeze
SW→WNW
14-23→17-25
mph
Strong breeze
WNW
11-21
mph
Fresh breeze
UV: 4
 Medium 
UV: 4
 Medium 

 

Tonight
 
Partly cloudy in the evening, becoming mostly clear after midnight. Low 11°. Wind west-northwest around 3 mph.
Saturday
 
Partly to mostly cloudy in the morning, becoming mostly sunny in the afternoon. Warm. High 24°. UV index up to 4. Wind southwest around 7 mph, gusting to 19 mph, in the morning, becoming 12 mph, gusting to 21 mph, in the afternoon.
Saturday night
 
Mostly cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then rain likely after midnight. Mild. Low 17°. Wind southwest around 8 mph, gusting to 18 mph. Chance of precipitation 80 percent. Precipitation mostly around 30 mm.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. Rain likely. Warm. High 24°. UV index up to 4. Wind west-southwest around 8 mph, gusting to 18 mph. Chance of precipitation 70 percent. Precipitation mostly around 20 mm.
Sunday night
 
Mostly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 14°. Wind west-northwest around 4 mph.
Monday
 
Partly to mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the afternoon. Mild. High 22°. Wind west around 4 mph in the morning, becoming southwest around 9 mph, gusting to 17 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Fair to partly cloudy. Light to moderate fog. A slight chance of rain. Low 13°. Wind southwest around 6 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Partly to mostly cloudy. Patchy light fog in the morning. A slight chance of rain. High 19°. Wind southwest around 8 mph, gusting to 16 mph, in the morning, becoming west-northwest in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Clear in the evening, becoming fair after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. Low 11°. Wind west-northwest around 8 mph, gusting to 15 mph.
Wednesday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. High 17°. Wind west-northwest around 10 mph, gusting to 18 mph.
Wednesday night
 
Mostly cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain after midnight. Low 12°. Wind west-southwest around 10 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 17°. Wind west around 13 mph, gusting to 22 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Mostly clear in the evening, becoming partly cloudy after midnight. A slight chance of rain. Low 10°. Wind west-northwest around 9 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Cloudy. A slight chance of rain. High 16°. Wind west-northwest around 11 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain. Low 12°. Wind west around 7 mph in the evening, becoming southwest after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 17°. Wind southwest around 14 mph, gusting to 23 mph, in the morning, becoming west-northwest around 17 mph, gusting to 25 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Saturday night
 
Clear. Breezy and cool. Low 8°. Wind west-northwest around 11 mph, gusting to 21 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.