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, 27-Aug-2026 07:00 pm
 
Tonight

Fog late
Fog late
Friday

Fog a.m.
Fog a.m.
Friday
night
Mostly Cloudy
Mostly Cloudy
Saturday

Rain likely
Rain likely
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Chance rain
Chance rain
Sunday
night
Thunder storm
Thunder storm
Monday

Fog a.m.
Fog a.m.
Monday
night
Mostly Cloudy
Mostly Cloudy
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Mostly Sunny
Mostly Sunny
Wednesday
night
Fog late
Fog late
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Cloudy
Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Clear
Clear
<2 mm. <2 mm. 10 mm. <2 mm. <2 mm. 15 mm. <2 mm. <2 mm. <2 mm. <2 mm.
Low: 14° High: 22° Low: 15° High: 18° Low: 14° High: 20° Low: 14° High: 21° Low: 13° High: 21° Low: 13° High: 21° Low: 13° High: 23° Low: 17° High: 19° Low: 10°
                                 
SW
5
mph
Light breeze
SW
9-22→16-24
mph
Fresh breeze
SW
13-23
mph
Fresh breeze
SSW
13-23→21-32
mph
Near gale
SW
15-25→10-18
mph
Strong breeze
SW
8-17→13-21
mph
Fresh breeze
SW
11-19
mph
Fresh breeze
WSW
11-20
mph
Fresh breeze
WSW
7-16→4
mph
Moderate breeze
WSW
8-17
mph
Moderate breeze
W
6→3
mph
Light breeze
W
4→8
mph
Gentle breeze
W
5
mph
Light breeze
WSW
9-21→15-24
mph
Fresh breeze
WSW
13-21
mph
Fresh breeze
WNW
10-21→14-22
mph
Fresh breeze
WNW
6-17
mph
Moderate breeze
UV: 4
 Medium 
UV: 4
 Medium 

 

Tonight
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Light to moderate fog after midnight. Low 14°. Wind southwest around 5 mph.
Friday
 
Sunny in the morning, becoming partly to mostly cloudy in the afternoon. Light to moderate fog in the morning. A slight chance of rain in the afternoon. Breezy. High 22°. Wind southwest around 9 mph, gusting to 22 mph, in the morning, becoming 16 mph, gusting to 24 mph, in the afternoon. Chance of precipitation less than 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. Breezy. Low 15°. Wind southwest around 13 mph, gusting to 23 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. Rain likely in the morning, then a chance of rain in the afternoon. Windy. High 18°. Wind south-southwest around 13 mph, gusting to 23 mph, in the morning, becoming 21 mph, gusting to 32 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly around 10 mm.
Saturday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Breezy. Low 14°. Wind southwest around 15 mph, gusting to 25 mph, in the evening, becoming 10 mph, gusting to 18 mph, after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain. High 20°. Wind southwest around 8 mph, gusting to 17 mph, in the morning, becoming 13 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog. A chance of rain in the evening, then rain likely after midnight. Scattered thundershowers possible. Low 14°. Wind southwest around 11 mph, gusting to 19 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Monday
 
Partly 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 21°. Wind west-southwest around 11 mph, gusting to 20 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Partly to mostly cloudy. Low 13°. Wind west-southwest around 7 mph, gusting to 16 mph, in the evening, becoming 4 mph after midnight.
Tuesday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain in the afternoon. High 21°. Wind west-southwest around 8 mph, gusting to 17 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Low 13°. Wind west around 6 mph in the evening, becoming 3 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Sunny in the morning, becoming partly to mostly sunny in the afternoon. High 21°. UV index up to 4. Wind west around 4 mph in the morning, becoming 8 mph in the afternoon.
Wednesday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. Low 13°. Wind west around 5 mph.
Thursday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Breezy and warm. High 23°. UV index up to 4. Wind west-southwest around 9 mph, gusting to 21 mph, in the morning, becoming 15 mph, gusting to 24 mph, in the afternoon.
Thursday night
 
Cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain. Breezy. Low 17°. Wind west-southwest around 13 mph, gusting to 21 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. Breezy. High 19°. Wind west-northwest around 10 mph, gusting to 21 mph, in the morning, becoming 14 mph, gusting to 22 mph, in the afternoon.
Friday night
 
Fair in the evening, becoming clear after midnight. Low 10°. Wind west-northwest around 6 mph, gusting to 17 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.