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: Tuesday, 11-Aug-2026 11:09 am
 
This
afternoon
Mostly Clear
Mostly Clear		 Tonight

Partly Cloudy
Partly Cloudy		 Wednesday

Sunny
Sunny		 Wednesday
night
Clear
Clear		 Thursday

Sunny
Sunny		 Thursday
night
Partly Cloudy
Partly Cloudy		 Friday

Mostly Cloudy
Mostly Cloudy		 Friday
night
Partly Cloudy
Partly Cloudy		 Saturday

Sunny
Sunny		 Saturday
night
Partly Cloudy
Partly Cloudy		 Sunday

Mostly Cloudy
Mostly Cloudy		 Sunday
night
Mostly Cloudy
Mostly Cloudy		 Monday

Rain likely
Rain likely		 Monday
night
Overcast
Overcast		 Tuesday

Partly Cloudy
Partly Cloudy		 Tuesday
night
Mostly Clear
Mostly Clear		 Wednesday

Partly Cloudy
Partly Cloudy		 Wednesday
night
Mostly Cloudy
Mostly Cloudy
<2 mm. 10 mm. <2 mm. <2 mm. <2 mm. <2 mm.
High: 27° Low: 14° High: 31° Low: 15° High: 32° Low: 15° High: 29° Low: 15° High: 25° Low: 14° High: 25° Low: 16° High: 17° Low: 15° High: 22° Low: 11° High: 24° Low: 14°
                                   
ESE
10-19
mph
Fresh breeze		 ESE
6-15
mph
Moderate breeze		 SE
6→9-16
mph
Moderate breeze		 SE→ENE
4
mph
Light breeze		 SE
7-17→11-19
mph
Fresh breeze		 W
6
mph
Light breeze		 WNW
6-17→10-18
mph
Moderate breeze		 WNW→N
9-17
mph
Moderate breeze		 N
9-19
mph
Fresh breeze		 N
6
mph
Light breeze		 NNE→E
4
mph
Light breeze		 NNE
6
mph
Light breeze		 NNE
12-19
mph
Fresh breeze		 NNE
10-18
mph
Moderate breeze		 NNE
10-18→7-18
mph
Moderate breeze		 SSW
2
mph
Light air		 WSW
4→8-16
mph
Moderate breeze		 NNW→NNE
2→7
mph
Light breeze
UV: 6
 High 		 UV: 6
 High 		 UV: 6
 High 		 UV: 5
 Medium 		 UV: 6
 High 		 UV: 4
 Medium 		 UV: 5
 Medium 

 

This afternoon
 
 Mostly clear. Warm. High 27°. UV index up to 6. Wind east-southeast around 10 mph, gusting to 19 mph.
Tonight
 
 Partly cloudy in the evening, becoming fair after midnight. Low 14°. Wind east-southeast around 6 mph, gusting to 15 mph.
Wednesday
 
 Sunny. Unusually hot. High 31°. UV index up to 6. Wind southeast around 6 mph in the morning, becoming 9 mph, gusting to 16 mph, in the afternoon.
Wednesday night
 
 Clear. Low 15°. Wind southeast around 4 mph in the evening, becoming east-northeast after midnight.
Thursday
 
 Sunny. Unusually hot. High 32°. UV index up to 6. Wind southeast around 7 mph, gusting to 17 mph, in the morning, becoming 11 mph, gusting to 19 mph, in the afternoon.
Thursday night
 
 Fair to partly cloudy in the evening, becoming clear after midnight. Low 15°. Wind west around 6 mph.
Friday
 
 Sunny in the morning, becoming partly to mostly cloudy in the afternoon. Unusually hot. High 29°. UV index up to 5. Wind west-northwest around 6 mph, gusting to 17 mph, in the morning, becoming 10 mph, gusting to 18 mph, in the afternoon.
Friday night
 
 Partly cloudy in the evening, becoming mostly clear after midnight. Low 15°. Wind west-northwest around 9 mph, gusting to 17 mph, in the evening, becoming north after midnight.
Saturday
 
 Sunny. Warm. High 25°. UV index up to 6. Wind north around 9 mph, gusting to 19 mph.
Saturday night
 
 Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 14°. Wind north around 6 mph.
Sunday
 
 Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Warm. High 25°. Wind north-northeast around 4 mph in the morning, becoming east in the afternoon.
Sunday night
 
 Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain after midnight. Low 16°. Wind north-northeast around 6 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday
 
 Dense overcast. Rain likely in the morning, then a chance of rain in the afternoon. Breezy. High 17°. Wind north-northeast around 12 mph, gusting to 19 mph. Chance of precipitation 80 percent. Precipitation mostly around 10 mm.
Monday night
 
 Dense overcast. A slight chance of rain. Low 15°. Wind north-northeast around 10 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
 Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. A slight chance of rain. High 22°. UV index up to 4. Wind north-northeast around 10 mph, gusting to 18 mph, in the morning, becoming 7 mph, gusting to 18 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
 Mostly clear in the evening, becoming clear after midnight. Low 11°. Wind south-southwest around 2 mph.
Wednesday
 
 Partly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain in the afternoon. High 24°. UV index up to 5. Wind west-southwest around 4 mph in the morning, becoming 8 mph, gusting to 16 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
 Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 14°. Wind north-northwest around 2 mph in the evening, becoming north-northeast around 7 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.

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.