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: Sunday, 13-Sep-2026 11:00 pm
 
Rest of
tonight
Fog
Fog
Monday

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

Mostly Cloudy
Mostly Cloudy
Tuesday
night
Fog late
Fog late
Wednesday

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

Cloudy
Cloudy
Thursday
night
Cloudy
Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Overcast
Overcast
Saturday

Cloudy
Cloudy
Saturday
night
Cloudy
Cloudy
Sunday

Cloudy
Cloudy
Sunday
night
Fog late
Fog late
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Fog
Fog
<2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm.
Low: 17° High: 23° Low: 15° High: 22° Low: 10° High: 17° Low: 13° High: 19° Low: 12° High: 18° Low: 15° High: 20° Low: 16° High: 20° Low: 12° High: 22° Low: 12°
                                 
WSW
4
mph
Light breeze
WSW
6→11-18
mph
Moderate breeze
WSW
6
mph
Light breeze
WSW
9-20→14-24
mph
Fresh breeze
WNW
9-20→6
mph
Fresh breeze
WNW
9-18
mph
Moderate breeze
W
7
mph
Light breeze
WSW
13-21
mph
Fresh breeze
WSW
8-19
mph
Fresh breeze
W
9-20
mph
Fresh breeze
W→SW
6→10-16
mph
Moderate breeze
SW
11-18
mph
Moderate breeze
SW
7-17
mph
Moderate breeze
SW→NNE
5→8-16
mph
Moderate breeze
NE
3
mph
Light air
SSW
3→8-16
mph
Moderate breeze
SW
6
mph
Light breeze

 

Rest of tonight
 
Cloudy. Patchy light fog. A slight chance of rain. Mild. Low 17°. Wind west-southwest around 4 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. Warm. High 23°. Wind west-southwest around 6 mph in the morning, becoming 11 mph, gusting to 18 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Mostly clear in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog. Low 15°. Wind west-southwest around 6 mph.
Tuesday
 
Mostly cloudy to cloudy in the morning, becoming sunny in the afternoon. A slight chance of rain. Breezy and mild. High 22°. Wind west-southwest around 9 mph, gusting to 20 mph, in the morning, becoming 14 mph, gusting to 24 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Clear in the evening, becoming mostly clear after midnight. Patchy light fog after midnight. Low 10°. Wind west-northwest around 9 mph, gusting to 20 mph, in the evening, becoming 6 mph after midnight.
Wednesday
 
Partly cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the afternoon. High 17°. Wind west-northwest around 9 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Cloudy in the evening, becoming dense overcast after midnight. Low 13°. Wind west around 7 mph.
Thursday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A slight chance of rain. Breezy. High 19°. Wind west-southwest around 13 mph, gusting to 21 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Cloudy in the evening, becoming fair after midnight. Low 12°. Wind west-southwest around 8 mph, gusting to 19 mph.
Friday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the afternoon. High 18°. Wind west around 9 mph, gusting to 20 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Dense overcast. A slight chance of rain after midnight. Low 15°. Wind west around 6 mph in the evening, becoming southwest around 10 mph, gusting to 16 mph, after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A slight chance of rain. Breezy. High 20°. Wind southwest around 11 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Cloudy. A slight chance of rain. Mild. Low 16°. Wind southwest around 7 mph, gusting to 17 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday
 
Cloudy. A chance of rain. High 20°. Wind southwest around 5 mph in the morning, becoming north-northeast around 8 mph, gusting to 16 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Mostly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 12°. Wind northeast around 3 mph.
Monday
 
Partly to mostly cloudy. Mild. High 22°. Wind south-southwest around 3 mph in the morning, becoming 8 mph, gusting to 16 mph, in the afternoon.
Monday night
 
Clear in the evening, becoming partly cloudy after midnight. Patchy light fog. Low 12°. Wind southwest 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.