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, 11-Jul-2026 10:00 am
 
This
afternoon
Clear
Clear
Tonight

Clear
Clear
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Mostly Cloudy
Mostly Cloudy
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Thunder storm
Thunder storm
Thursday
night
Thunder storm
Thunder storm
Friday

Thunder storm
Thunder storm
Friday
night
Thunder storm
Thunder storm
Saturday

Thunder storm
Thunder storm
Saturday
night
Thunder storm
Thunder storm
Sunday

Partly Cloudy
Partly Cloudy
Sunday
night
Fog late
Fog late
<2 mm. <2 mm. 2 mm. 10 mm. 5 mm. 15 mm. <2 mm. <2 mm.
High: 29° Low: 17° High: 30° Low: 17° High: 28° Low: 16° High: 29° Low: 19° High: 33° Low: 17° High: 28° Low: 17° High: 26° Low: 17° High: 23° Low: 16° High: 24° Low: 13°
                                   
ENE
11-19
mph
Fresh breeze
ENE
12-19
mph
Fresh breeze
ENE
17-26
mph
Strong breeze
ENE
16-25
mph
Strong breeze
NE
15-24
mph
Fresh breeze
NE
12-19
mph
Fresh breeze
ENE
14-21
mph
Fresh breeze
ENE
10-19
mph
Fresh breeze
NNE→SE
9-18
mph
Moderate breeze
SE→NE
3-16
mph
Moderate breeze
NE→NW
3
mph
Light air
WSW→NNW
4
mph
Light breeze
NNW
4
mph
Light breeze
NNW→W
5
mph
Light breeze
NNW
9-17
mph
Moderate breeze
NNW
8
mph
Gentle breeze
NNW
9-16
mph
Moderate breeze
NNW
5
mph
Light breeze
UV: 7
 High 
UV: 6
 High 
UV: 6
 High 
UV: 6
 High 
UV: 6
 High 
UV: 4
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 
UV: 6
 High 

 

This afternoon
 
Clear. Breezy and unusually hot. High 29°. UV index up to 7. Wind east-northeast around 11 mph, gusting to 19 mph.
Tonight
 
Clear in the evening, becoming fair after midnight. Breezy. Low 17°. Wind east-northeast around 12 mph, gusting to 19 mph.
Sunday
 
Partly to mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. Windy and unusually hot. High 30°. UV index up to 6. Wind east-northeast around 17 mph, gusting to 26 mph.
Sunday night
 
Fair to partly cloudy. Windy. Low 17°. Wind east-northeast around 16 mph, gusting to 25 mph.
Monday
 
Partly to mostly cloudy. Breezy and warm. High 28°. UV index up to 6. Wind northeast around 15 mph, gusting to 24 mph.
Monday night
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Breezy. Low 16°. Wind northeast around 12 mph, gusting to 19 mph.
Tuesday
 
Partly to mostly cloudy. Breezy and unusually hot. High 29°. UV index up to 6. Wind east-northeast around 14 mph, gusting to 21 mph.
Tuesday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain after midnight. Precipitation showery or intermittent. Low 19°. Wind east-northeast around 10 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Partly to mostly cloudy in the morning, becoming mostly sunny in the afternoon. Very hot. High 33°. UV index up to 6. Wind north-northeast around 9 mph, gusting to 18 mph, in the morning, becoming southeast in the afternoon.
Wednesday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain. Precipitation showery or intermittent. Low 17°. Wind southeast around 3 mph, gusting to 16 mph, in the evening, becoming northeast after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Scattered thunderstorms likely. Warm. High 28°. UV index up to 4. Wind northeast around 3 mph in the morning, becoming northwest in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Moderate fog. Rain likely in the evening, then a slight chance of rain after midnight. Scattered thundershowers possible. Low 17°. Wind west-southwest around 4 mph in the evening, becoming north-northwest after midnight. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Friday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Thunderstorms very likely, some possibly severe. Warm. High 26°. UV index up to 5. Wind north-northwest around 4 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Friday night
 
Dense overcast. Light to moderate fog. Rain very likely. Thunderstorms very likely, some possibly severe. Low 17°. Wind north-northwest around 5 mph in the evening, becoming west after midnight. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Saturday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Light to moderate fog in the morning. A chance of rain. Scattered thundershowers possible. High 23°. UV index up to 5. Wind north-northwest around 9 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Scattered thundershowers possible. Low 16°. Wind north-northwest around 8 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. High 24°. UV index up to 6. Wind north-northwest around 9 mph, gusting to 16 mph.
Sunday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 13°. Wind north-northwest around 5 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.