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: Thursday, 03-Sep-2026 09:00 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Chance rain
Chance rain
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Rain likely
Rain likely
Thursday

Chance rain
Chance rain
Thursday
night
Fog late
Fog late
Friday

Fog a.m.
Fog a.m.
Friday
night
Fog late
Fog late
<2 mm. <2 mm. <2 mm. <2 mm. 2 mm. <2 mm. <2 mm. 15 mm. <5 mm. <2 mm. <2 mm.
Low: 19° High: 21° Low: 12° High: 22° Low: 12° High: 25° Low: 13° High: 22° Low: 13° High: 20° Low: 11° High: 18° Low: 12° High: 19° Low: 12° High: 17° Low: 11°
                                 
SW
12-20→16-23
mph
Fresh breeze
W
13-23
mph
Fresh breeze
WNW
9-21→6
mph
Fresh breeze
WNW
6
mph
Light breeze
SSW→SE
4→calm
mph
Light breeze
SE
8-19
mph
Fresh breeze
SE→SW
4
mph
Light breeze
WSW
7-17→12-21
mph
Fresh breeze
W→SW
8-18
mph
Moderate breeze
W
12-24→16-25
mph
Strong breeze
W
10-22
mph
Fresh breeze
W
14-22
mph
Fresh breeze
WSW
9-17
mph
Moderate breeze
SW→WNW
12-19
mph
Fresh breeze
WNW
11-18
mph
Moderate breeze
WNW
15-23
mph
Fresh breeze
WNW
12-21→6
mph
Fresh breeze
UV: 5
 Medium 
UV: 5
 Medium 

 

Tonight
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A slight chance of rain. Breezy and mild. Low 19°. Wind southwest around 12 mph, gusting to 20 mph, in the evening, becoming 16 mph, gusting to 23 mph, after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. Breezy. High 21°. Wind west around 13 mph, gusting to 23 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 12°. Wind west-northwest around 9 mph, gusting to 21 mph, in the evening, becoming 6 mph after midnight.
Saturday
 
Mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. High 22°. UV index up to 5. Wind west-northwest around 6 mph.
Saturday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 12°. Wind south-southwest around 4 mph in the evening, becoming southeast near calm after midnight.
Sunday
 
Partly to mostly cloudy. Warm. High 25°. UV index up to 5. Wind southeast around 8 mph, gusting to 19 mph.
Sunday night
 
Mostly cloudy in the evening, becoming fair to partly cloudy after midnight. A slight chance of rain. Low 13°. Wind southeast around 4 mph in the evening, becoming southwest after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Mostly cloudy to cloudy. A slight chance of rain. High 22°. Wind west-southwest around 7 mph, gusting to 17 mph, in the morning, becoming 12 mph, gusting to 21 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. A chance of rain after midnight. Low 13°. Wind west around 8 mph, gusting to 18 mph, in the evening, becoming southwest after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday
 
Partly cloudy. A slight chance of rain. Breezy. High 20°. Wind west around 12 mph, gusting to 24 mph, in the morning, becoming 16 mph, gusting to 25 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Clear in the evening, becoming fair to partly cloudy after midnight. Low 11°. Wind west around 10 mph, gusting to 22 mph.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain. Breezy. High 18°. Wind west around 14 mph, gusting to 22 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Dense overcast. Patchy light fog after midnight. A chance of rain in the evening, then rain likely after midnight. Low 12°. Wind west-southwest around 9 mph, gusting to 17 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Thursday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain. Breezy. High 19°. Wind southwest around 12 mph, gusting to 19 mph, in the morning, becoming west-northwest in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Thursday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain after midnight. Low 12°. Wind west-northwest around 11 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. Breezy. High 17°. Wind west-northwest around 15 mph, gusting to 23 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Mostly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 11°. Wind west-northwest around 12 mph, gusting to 21 mph, in the evening, becoming 6 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.