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: Wednesday, 12-Aug-2026 03:00 pm
 
This
afternoon
Clear
Clear		 Tonight

Clear
Clear		 Thursday

Sunny
Sunny		 Thursday
night
Partly Cloudy
Partly 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 Sunny
Mostly Sunny		 Sunday
night
Partly Cloudy
Partly Cloudy		 Monday

Chance rain
Chance rain		 Monday
night
Fog
Fog		 Tuesday

Mostly Sunny
Mostly Sunny		 Tuesday
night
Mostly Cloudy
Mostly Cloudy		 Wednesday

Rain likely
Rain likely		 Wednesday
night
Fog
Fog		 Thursday

Chance rain
Chance rain		 Thursday
night
Fog late
Fog late
5 mm. <2 mm. <2 mm. 20 mm. <2 mm. 2 mm.
High: 34° Low: 16° High: 33° Low: 17° High: 29° Low: 17° High: 26° Low: 14° High: 24° Low: 13° High: 20° Low: 15° High: 23° Low: 14° High: 19° Low: 16° High: 19° Low: 12°
                                   
SSE
6-16
mph
Moderate breeze		 ESE
4
mph
Light breeze		 E→SSE
4→10-18
mph
Moderate breeze		 W
5
mph
Light breeze		 WNW
6-16→9-18
mph
Moderate breeze		 WNW→N
9-17
mph
Moderate breeze		 N
10-19
mph
Fresh breeze		 N
11-17→8
mph
Moderate breeze		 N
7-17
mph
Moderate breeze		 NNW
5
mph
Light breeze		 WSW
4→9-16
mph
Moderate breeze		 SW→W
9-16
mph
Moderate breeze		 NW
12-20
mph
Fresh breeze		 NW→WSW
10-19→6
mph
Fresh breeze		 WSW
12-19
mph
Fresh breeze		 WSW→WNW
6-15
mph
Moderate breeze		 NNE
8-18
mph
Moderate breeze		 NNE
5
mph
Light breeze
UV: 5
 Medium 		 UV: 6
 High 		 UV: 6
 High 		 UV: 5
 Medium 		 UV: 5
 Medium 		 UV: 6
 High 

 

This afternoon
 
 Clear. Near record heat. High 34°. UV index up to 5. Wind south-southeast around 6 mph, gusting to 16 mph.
Tonight
 
 Clear. Low 16°. Wind east-southeast around 4 mph.
Thursday
 
 Sunny. Exceptionally hot. High 33°. UV index up to 6. Wind east around 4 mph in the morning, becoming south-southeast around 10 mph, gusting to 18 mph, in the afternoon.
Thursday night
 
 Clear in the evening, becoming fair to partly cloudy after midnight. Low 17°. Wind west around 5 mph.
Friday
 
 Partly to mostly cloudy in the morning, becoming mostly sunny in the afternoon. Unusually hot. High 29°. UV index up to 6. Wind west-northwest around 6 mph, gusting to 16 mph, in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon.
Friday night
 
 Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 17°. Wind west-northwest around 9 mph, gusting to 17 mph, in the evening, becoming north after midnight.
Saturday
 
 Mostly cloudy in the morning, becoming mostly sunny in the afternoon. Warm. High 26°. UV index up to 5. Wind north around 10 mph, gusting to 19 mph.
Saturday night
 
 Mostly clear in the evening, becoming partly cloudy after midnight. Low 14°. Wind north around 11 mph, gusting to 17 mph, in the evening, becoming 8 mph after midnight.
Sunday
 
 Partly to mostly sunny in the morning, becoming sunny in the afternoon. High 24°. UV index up to 5. Wind north around 7 mph, gusting to 17 mph.
Sunday night
 
 Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Low 13°. Wind north-northwest around 5 mph.
Monday
 
 Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 20°. Wind west-southwest around 4 mph in the morning, becoming 9 mph, gusting to 16 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Monday night
 
 Cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 15°. Wind southwest around 9 mph, gusting to 16 mph, in the evening, becoming west after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday
 
 Partly to mostly sunny in the morning, becoming sunny in the afternoon. Breezy. High 23°. UV index up to 6. Wind northwest around 12 mph, gusting to 20 mph.
Tuesday night
 
 Clear in the evening, becoming mostly cloudy after midnight. A slight chance of rain after midnight. Low 14°. Wind northwest around 10 mph, gusting to 19 mph, in the evening, becoming west-southwest around 6 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
 Dense overcast in the morning, becoming cloudy in the afternoon. Patchy light fog in the afternoon. Rain very likely. Precipitation showery or intermittent. Breezy. High 19°. Wind west-southwest around 12 mph, gusting to 19 mph. Chance of precipitation 80 percent. Precipitation mostly around 20 mm.
Wednesday night
 
 Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Patchy light fog. A slight chance of rain. Low 16°. Wind west-southwest around 6 mph, gusting to 15 mph, in the evening, becoming west-northwest after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
 Cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 19°. Wind north-northeast around 8 mph, gusting to 18 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Thursday night
 
 Fair to partly cloudy. Light to moderate fog after midnight. Low 12°. Wind north-northeast 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.