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, 21-Jun-2026 11:00 am
 
This
afternoon
Mostly Cloudy
Mostly Cloudy		 Tonight

Partly Cloudy
Partly Cloudy		 Monday

Mostly Sunny
Mostly Sunny		 Monday
night
Partly Cloudy
Partly Cloudy		 Tuesday

Mostly Cloudy
Mostly Cloudy		 Tuesday
night
Partly Cloudy
Partly Cloudy		 Wednesday

Mostly Sunny
Mostly Sunny		 Wednesday
night
Partly Cloudy
Partly Cloudy		 Thursday

Partly Cloudy
Partly Cloudy		 Thursday
night
Thunder storm
Thunder storm		 Friday

Mostly Sunny
Mostly Sunny		 Friday
night
Fog late
Fog late		 Saturday

Fog a.m.
Fog a.m.		 Saturday
night
Fog late
Fog late		 Sunday

Fog a.m.
Fog a.m.		 Sunday
night
Cloudy
Cloudy		 Monday

Mostly Cloudy
Mostly Cloudy		 Monday
night
Clear
Clear
<2 mm. <2 mm. <2 mm. <2 mm. <2 mm.
High: 27° Low: 15° High: 30° Low: 17° High: 33° Low: 16° High: 32° Low: 18° High: 35° Low: 17° High: 30° Low: 15° High: 22° Low: 13° High: 22° Low: 15° High: 22° Low: 12°
                                   
NNW
2
mph
Light air		 N→E
4
mph
Light breeze		 E
9-17
mph
Moderate breeze		 E
9-15→5
mph
Moderate breeze		 E→SSE
5
mph
Light breeze		 WNW→N
2
mph
Light air		 ENE
6
mph
Light breeze		 ESE→ENE
7
mph
Light breeze		 ENE→SE
12-22
mph
Fresh breeze		 SE→WSW
11-21→5
mph
Fresh breeze		 W
9-21→13-22
mph
Fresh breeze		 WSW
5-19
mph
Fresh breeze		 SW
9-21→15-24
mph
Fresh breeze		 SW
9-21→5
mph
Fresh breeze		 SW
8-16
mph
Moderate breeze		 WNW
6
mph
Light breeze		 NW
7-17
mph
Moderate breeze		 NW
8-18→4
mph
Moderate breeze
UV: 6
 High 		 UV: 7
 High 		 UV: 6
 High 		 UV: 6
 High 		 UV: 7
 High 		 UV: 7
 High 		 UV: 4
 Medium 

 

This afternoon
 
 Mostly cloudy. High 27°. UV index up to 6. Wind north-northwest around 2 mph.
Tonight
 
 Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 15°. Wind north around 4 mph in the evening, becoming east after midnight.
Monday
 
 Partly to mostly sunny. High 30°. UV index up to 7. Wind east around 9 mph, gusting to 17 mph.
Monday night
 
 Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 17°. Wind east around 9 mph, gusting to 15 mph, in the evening, becoming 5 mph after midnight.
Tuesday
 
 Partly to mostly cloudy. High 33°. UV index up to 6. Wind east around 5 mph in the morning, becoming south-southeast in the afternoon.
Tuesday night
 
 Partly to mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 16°. Wind west-northwest around 2 mph in the evening, becoming north after midnight.
Wednesday
 
 Sunny in the morning, becoming partly to mostly sunny in the afternoon. High 32°. UV index up to 6. Wind east-northeast around 6 mph.
Wednesday night
 
 Mostly cloudy in the evening, becoming partly cloudy after midnight. Low 18°. Wind east-southeast around 7 mph in the evening, becoming east-northeast after midnight.
Thursday
 
 Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. High 35°. UV index up to 7. Wind east-northeast around 12 mph, gusting to 22 mph, in the morning, becoming southeast in the afternoon.
Thursday night
 
 Partly to mostly cloudy in the evening, becoming fair to partly cloudy after midnight. A slight chance of rain. Scattered thundershowers possible. Low 17°. Wind southeast around 11 mph, gusting to 21 mph, in the evening, becoming west-southwest around 5 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday
 
 Partly to mostly sunny in the morning, becoming sunny in the afternoon. High 30°. UV index up to 7. Wind west around 9 mph, gusting to 21 mph, in the morning, becoming 13 mph, gusting to 22 mph, in the afternoon.
Friday night
 
 Clear in the evening, becoming fair to partly cloudy after midnight. Patchy light fog after midnight. Low 15°. Wind west-southwest around 5 mph, gusting to 19 mph.
Saturday
 
 Mostly cloudy to cloudy. Patchy light fog in the morning. A slight chance of rain. High 22°. Wind southwest around 9 mph, gusting to 21 mph, in the morning, becoming 15 mph, gusting to 24 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
 Fair to partly cloudy in the evening, becoming fair after midnight. Patchy light fog in the evening, then moderate fog after midnight. Low 13°. Wind southwest around 9 mph, gusting to 21 mph, in the evening, becoming 5 mph after midnight.
Sunday
 
 Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. Precipitation showery or intermittent. High 22°. UV index up to 4. Wind southwest around 8 mph, gusting to 16 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
 Cloudy. A slight chance of rain. Low 15°. Wind west-northwest around 6 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday
 
 Mostly cloudy to cloudy. A slight chance of rain. High 22°. Wind northwest around 7 mph, gusting to 17 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
 Fair in the evening, becoming clear after midnight. Low 12°. Wind northwest around 8 mph, gusting to 18 mph, in the evening, becoming 4 mph after midnight.

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.