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, 09-Aug-2026 08:00 am
 
Today

Mostly Sunny
Mostly Sunny
Tonight

Partly Cloudy
Partly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Sunny
Sunny
Tuesday
night
Clear
Clear
Wednesday

Sunny
Sunny
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Mostly Sunny
Mostly Sunny
Thursday
night
Clear
Clear
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Thunder storm
Thunder storm
Saturday

Thunder storm
Thunder storm
Saturday
night
Thunder storm
Thunder storm
Sunday

Overcast
Overcast
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Partly Cloudy
Partly Cloudy
Monday
night
Partly Cloudy
Partly Cloudy
<2 mm. <2 mm. 2 mm. <2 mm. <2 mm.
High: 27° Low: 13° High: 24° Low: 13° High: 27° Low: 14° High: 31° Low: 16° High: 33° Low: 15° High: 29° Low: 18° High: 26° Low: 18° High: 22° Low: 16° High: 25° Low: 13°
                                   
NNW→SSW
2→9-18
mph
Moderate breeze
W
10-18→5
mph
Moderate breeze
NW
5
mph
Light breeze
NNW→ESE
4
mph
Light breeze
ESE
8-18
mph
Moderate breeze
ESE
6
mph
Light breeze
ESE
5→9-15
mph
Moderate breeze
SE→NNE
4
mph
Light breeze
SE
7-16→11-18
mph
Moderate breeze
W
5
mph
Light breeze
NNW
5
mph
Light breeze
WNW→N
7
mph
Light breeze
ENE
6
mph
Light breeze
NE
3→7
mph
Light breeze
NE
11-19
mph
Fresh breeze
NE
9-19
mph
Fresh breeze
NE
7-18
mph
Moderate breeze
S
3
mph
Light air
UV: 6
 High 
UV: 5
 Medium 
UV: 6
 High 
UV: 6
 High 
UV: 6
 High 
UV: 5
 Medium 
UV: 5
 Medium 

 

Today
 
Partly to mostly sunny in the morning, becoming sunny in the afternoon. Warm. High 27°. UV index up to 6. Wind north-northwest around 2 mph in the morning, becoming south-southwest around 9 mph, gusting to 18 mph, in the afternoon.
Tonight
 
Mostly clear in the evening, becoming partly cloudy after midnight. Low 13°. Wind west around 10 mph, gusting to 18 mph, in the evening, becoming 5 mph after midnight.
Monday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. High 24°. UV index up to 5. Wind northwest around 5 mph.
Monday night
 
Partly cloudy in the evening, becoming clear after midnight. Low 13°. Wind north-northwest around 4 mph in the evening, becoming east-southeast after midnight.
Tuesday
 
Sunny. Warm. High 27°. UV index up to 6. Wind east-southeast around 8 mph, gusting to 18 mph.
Tuesday night
 
Clear. Low 14°. Wind east-southeast around 6 mph.
Wednesday
 
Sunny. Unusually hot. High 31°. UV index up to 6. Wind east-southeast around 5 mph in the morning, becoming 9 mph, gusting to 15 mph, in the afternoon.
Wednesday night
 
Clear in the evening, becoming partly cloudy after midnight. Low 16°. Wind southeast around 4 mph in the evening, becoming north-northeast after midnight.
Thursday
 
Mostly sunny in the morning, becoming sunny in the afternoon. Exceptionally hot. High 33°. UV index up to 6. Wind southeast around 7 mph, gusting to 16 mph, in the morning, becoming 11 mph, gusting to 18 mph, in the afternoon.
Thursday night
 
Clear. Low 15°. Wind west around 5 mph.
Friday
 
Sunny in the morning, becoming partly cloudy in the afternoon. Unusually hot. High 29°. UV index up to 5. Wind north-northwest around 5 mph.
Friday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain after midnight. Scattered thundershowers possible. Low 18°. Wind west-northwest around 7 mph in the evening, becoming north after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Cloudy. A slight chance of rain. Scattered thundershowers possible. Warm. High 26°. Wind east-northeast around 6 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Scattered thundershowers possible. Low 18°. Wind northeast around 3 mph in the evening, becoming 7 mph after midnight. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Sunday
 
Dense overcast. A slight chance of rain. Precipitation showery or intermittent. High 22°. Wind northeast around 11 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Mostly cloudy to cloudy in the evening, becoming partly cloudy after midnight. A slight chance of rain. Low 16°. Wind northeast around 9 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Sunny in the morning, becoming partly cloudy in the afternoon. Warm. High 25°. UV index up to 5. Wind northeast around 7 mph, gusting to 18 mph.
Monday night
 
Partly cloudy in the evening, becoming clear after midnight. Low 13°. Wind south around 3 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.