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: Saturday, 05-Sep-2026 07:00 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Partly Cloudy
Partly Cloudy
Monday
night
Mostly Cloudy
Mostly Cloudy
Tuesday

Mostly Cloudy
Mostly Cloudy
Tuesday
night
Clear
Clear
Wednesday

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

Partly Cloudy
Partly Cloudy
Thursday
night
Cloudy
Cloudy
Friday

Chance rain
Chance rain
Friday
night
Fog late
Fog late
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Fog late
Fog late
Sunday

Fog a.m.
Fog a.m.
Sunday
night
Clear
Clear
<2 mm. <2 mm. <2 mm. <2 mm. <5 mm.
Low: 13° High: 25° Low: 14° High: 22° Low: 16° High: 20° Low: 9° High: 18° Low: 12° High: 21° Low: 14° High: 20° Low: 11° High: 19° Low: 9° High: 21° Low: 9°
                                 
SW→S
2
mph
Light air
SSE
6-17→10-19
mph
Fresh breeze
SSE→SW
4
mph
Light breeze
WSW
7-19→11-20
mph
Fresh breeze
WSW
8-17
mph
Moderate breeze
W
12-22
mph
Fresh breeze
WNW
9-20→6
mph
Fresh breeze
WNW
9-20
mph
Fresh breeze
WNW
6→3
mph
Light breeze
SW
3→8-18
mph
Moderate breeze
SW
8-17
mph
Moderate breeze
SW→W
14-22
mph
Fresh breeze
W
9-19→5
mph
Fresh breeze
W
6-15
mph
Moderate breeze
NNW
5
mph
Light breeze
NE
5
mph
Light breeze
ENE
calm

Calm
UV: 4
 Medium 

 

Tonight
 
Partly cloudy. Low 13°. Wind southwest around 2 mph in the evening, becoming south after midnight.
Sunday
 
Partly to mostly cloudy in the morning, becoming mostly sunny in the afternoon. Warm. High 25°. UV index up to 4. Wind south-southeast around 6 mph, gusting to 17 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon.
Sunday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 14°. Wind south-southeast around 4 mph in the evening, becoming southwest after midnight.
Monday
 
Partly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the afternoon. Mild. High 22°. Wind west-southwest around 7 mph, gusting to 19 mph, in the morning, becoming 11 mph, gusting to 20 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain after midnight. Low 16°. Wind west-southwest around 8 mph, gusting to 17 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Dense overcast in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. Breezy. High 20°. Wind west around 12 mph, gusting to 22 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Fair in the evening, becoming clear after midnight. Low 9°. Wind west-northwest around 9 mph, gusting to 20 mph, in the evening, becoming 6 mph after midnight.
Wednesday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. High 18°. Wind west-northwest around 9 mph, gusting to 20 mph.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Low 12°. Wind west-northwest around 6 mph in the evening, becoming 3 mph after midnight.
Thursday
 
Partly cloudy. High 21°. Wind southwest around 3 mph in the morning, becoming 8 mph, gusting to 18 mph, in the afternoon.
Thursday night
 
Cloudy. A slight chance of rain after midnight. Low 14°. Wind southwest around 8 mph, gusting to 17 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Dense overcast in the morning, becoming partly to mostly sunny in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 20°. Wind southwest around 14 mph, gusting to 22 mph, in the morning, becoming west in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Friday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 11°. Wind west around 9 mph, gusting to 19 mph, in the evening, becoming 5 mph after midnight.
Saturday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. High 19°. Wind west around 6 mph, gusting to 15 mph.
Saturday night
 
Partly to mostly cloudy in the evening, becoming clear after midnight. Patchy light fog after midnight. Low 9°. Wind north-northwest around 5 mph.
Sunday
 
Sunny. Patchy light fog in the morning. High 21°. Wind northeast around 5 mph.
Sunday night
 
Clear. Low 9°. Wind east-northeast near calm.

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.