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, 29-Jul-2026 02:00 pm
 
This
afternoon
Clear
Clear		 Tonight

Fog late
Fog late		 Thursday

Fog a.m.
Fog a.m.		 Thursday
night
Partly Cloudy
Partly Cloudy		 Friday

Mostly Sunny
Mostly Sunny		 Friday
night
Mostly Cloudy
Mostly Cloudy		 Saturday

Partly Cloudy
Partly Cloudy		 Saturday
night
Mostly Cloudy
Mostly Cloudy		 Sunday

Mostly Cloudy
Mostly Cloudy		 Sunday
night
Mostly Cloudy
Mostly Cloudy		 Monday

Partly Cloudy
Partly Cloudy		 Monday
night
Mostly Cloudy
Mostly Cloudy		 Tuesday

Cloudy
Cloudy		 Tuesday
night
Cloudy
Cloudy		 Wednesday

Chance rain
Chance rain		 Wednesday
night
Chance rain
Chance rain		 Thursday

Partly Cloudy
Partly Cloudy		 Thursday
night
Fog late
Fog late
<2 mm. <2 mm. <2 mm. <2 mm. <5 mm. 2 mm. <2 mm.
High: 32° Low: 15° High: 24° Low: 12° High: 24° Low: 11° High: 24° Low: 12° High: 23° Low: 15° High: 27° Low: 18° High: 23° Low: 17° High: 20° Low: 14° High: 23° Low: 11°
Heat: 34°                                  
SW
11-26
mph
Strong breeze		 W
9-20→5
mph
Fresh breeze		 WNW
9-18
mph
Moderate breeze		 WNW→NNW
8-17
mph
Moderate breeze		 NNW→WNW
7-17
mph
Moderate breeze		 W→NW
10-17→7
mph
Moderate breeze		 NW→W
7-16
mph
Moderate breeze		 W→N
7-15
mph
Moderate breeze		 NNE
5
mph
Light breeze		 ENE
5
mph
Light breeze		 ENE
13-22
mph
Fresh breeze		 ENE
14-22
mph
Fresh breeze		 NE
11-19
mph
Fresh breeze		 NE
5
mph
Light breeze		 ENE
3
mph
Light air		 N
6
mph
Light breeze		 N→WSW
4→8-17
mph
Moderate breeze		 WSW
9-17→4
mph
Moderate breeze
UV: 7
 High 		 UV: 4
 Medium 		 UV: 6
 High 		 UV: 6
 High 		 UV: 5
 Medium 		 UV: 4
 Medium 

 

This afternoon
 
 Clear. Unusually hot. High 32°. Heat index up to 34°. UV index up to 7. Wind southwest around 11 mph, gusting to 26 mph.
Tonight
 
 Clear in the evening, becoming mostly clear after midnight. Light to moderate fog after midnight. Low 15°. Wind west around 9 mph, gusting to 20 mph, in the evening, becoming 5 mph after midnight.
Thursday
 
 Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the afternoon. High 24°. UV index up to 4. Wind west-northwest around 9 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
 Partly cloudy in the evening, becoming fair after midnight. Low 12°. Wind west-northwest around 8 mph, gusting to 17 mph, in the evening, becoming north-northwest after midnight.
Friday
 
 Sunny in the morning, becoming partly to mostly sunny in the afternoon. High 24°. UV index up to 6. Wind north-northwest around 7 mph, gusting to 17 mph, in the morning, becoming west-northwest in the afternoon.
Friday night
 
 Mostly cloudy in the evening, becoming clear after midnight. Cool. Low 11°. Wind west around 10 mph, gusting to 17 mph, in the evening, becoming northwest around 7 mph after midnight.
Saturday
 
 Sunny in the morning, becoming partly cloudy in the afternoon. High 24°. UV index up to 6. Wind northwest around 7 mph, gusting to 16 mph, in the morning, becoming west in the afternoon.
Saturday night
 
 Cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 12°. Wind west around 7 mph, gusting to 15 mph, in the evening, becoming north after midnight.
Sunday
 
 Mostly cloudy in the morning, becoming cloudy in the afternoon. High 23°. Wind north-northeast around 5 mph.
Sunday night
 
 Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Low 15°. Wind east-northeast around 5 mph.
Monday
 
 Partly cloudy. Breezy and warm. High 27°. UV index up to 5. Wind east-northeast around 13 mph, gusting to 22 mph.
Monday night
 
 Mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Breezy. Low 18°. Wind east-northeast around 14 mph, gusting to 22 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
 Dense overcast in the morning, becoming cloudy in the afternoon. A slight chance of rain. High 23°. Wind northeast around 11 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
 Cloudy. A slight chance of rain. Precipitation showery or intermittent. Low 17°. Wind northeast around 5 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
 Dense overcast. A slight chance of rain in the morning, then a chance of rain in the afternoon. Precipitation showery or intermittent. High 20°. Wind east-northeast around 3 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Wednesday night
 
 Cloudy. A chance of rain in the evening, then a slight chance of rain after midnight. Low 14°. Wind north around 6 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Thursday
 
 Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. A slight chance of rain. High 23°. UV index up to 4. Wind north around 4 mph in the morning, becoming west-southwest around 8 mph, gusting to 17 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
 Mostly clear in the evening, becoming clear after midnight. Patchy light fog after midnight. Low 11°. Wind west-southwest around 9 mph, gusting to 17 mph, in the evening, becoming 4 mph after midnight.

WXSIM forecast formatting script by Saratoga-Weather.org.

 
 
 
 
Forecast
 
Trends
             
 		  
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.