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, 22-Jul-2026 09:00 pm
 
Tonight

Partly Cloudy
Partly Cloudy		 Thursday

Mostly Cloudy
Mostly Cloudy		 Thursday
night
Mostly Cloudy
Mostly Cloudy		 Friday

Mostly Cloudy
Mostly Cloudy		 Friday
night
Partly Cloudy
Partly Cloudy		 Saturday

Mostly Cloudy
Mostly Cloudy		 Saturday
night
Mostly Cloudy
Mostly Cloudy		 Sunday

Cloudy
Cloudy		 Sunday
night
Mostly Cloudy
Mostly Cloudy		 Monday

Sunny
Sunny		 Monday
night
Clear
Clear		 Tuesday

Sunny
Sunny		 Tuesday
night
Fog late
Fog late		 Wednesday

Fog a.m.
Fog a.m.		 Wednesday
night
Fog late
Fog late		 Thursday

Fog a.m.
Fog a.m.		 Thursday
night
Fog late
Fog late
<2 mm. <2 mm. <2 mm.
Low: 16° High: 25° Low: 15° High: 28° Low: 14° High: 26° Low: 17° High: 23° Low: 12° High: 26° Low: 11° High: 28° Low: 12° High: 27° Low: 14° High: 27° Low: 12°
                                 
NE→E
2
mph
Light air		 S
3→8-17
mph
Moderate breeze		 SSW
5-16
mph
Moderate breeze		 SW
4-15→9-19
mph
Fresh breeze		 WSW→NNW
8-18→4
mph
Moderate breeze		 W
7-19→15-23
mph
Fresh breeze		 W
11-22
mph
Fresh breeze		 W
10-19
mph
Fresh breeze		 NW
8-17→5
mph
Moderate breeze		 NNW→WNW
4
mph
Light breeze		 WSW→SSW
6→calm
mph
Light breeze		 SSE
5-16→10-18
mph
Moderate breeze		 WSW
5-15
mph
Moderate breeze		 W
7-15→11-17
mph
Moderate breeze		 W
11-17→6
mph
Moderate breeze		 W
6
mph
Light breeze		 W→NNE
5
mph
Light breeze
UV: 6
 High 		 UV: 5
 Medium 		 UV: 6
 High 		 UV: 7
 High 		 UV: 6
 High 		 UV: 6
 High 

 

Tonight
 
 Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. Low 16°. Wind northeast around 2 mph in the evening, becoming east after midnight.
Thursday
 
 Mostly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the afternoon. Warm. High 25°. Wind south around 3 mph in the morning, becoming 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 cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 15°. Wind south-southwest around 5 mph, gusting to 16 mph.
Friday
 
 Partly to mostly cloudy in the morning, becoming sunny in the afternoon. Warm. High 28°. UV index up to 6. Wind southwest around 4 mph, gusting to 15 mph, in the morning, becoming 9 mph, gusting to 19 mph, in the afternoon.
Friday night
 
 Clear in the evening, becoming partly cloudy after midnight. Low 14°. Wind west-southwest around 8 mph, gusting to 18 mph, in the evening, becoming north-northwest around 4 mph after midnight.
Saturday
 
 Partly to mostly cloudy. Warm. High 26°. UV index up to 5. Wind west around 7 mph, gusting to 19 mph, in the morning, becoming 15 mph, gusting to 23 mph, in the afternoon.
Saturday night
 
 Mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain. Breezy. Low 17°. Wind west around 11 mph, gusting to 22 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday
 
 Cloudy. A slight chance of rain. High 23°. Wind west around 10 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
 Partly to mostly cloudy in the evening, becoming clear after midnight. Low 12°. Wind northwest around 8 mph, gusting to 17 mph, in the evening, becoming 5 mph after midnight.
Monday
 
 Sunny. Warm. High 26°. UV index up to 6. Wind north-northwest around 4 mph in the morning, becoming west-northwest in the afternoon.
Monday night
 
 Clear. Low 11°. Wind west-southwest around 6 mph in the evening, becoming south-southwest near calm after midnight.
Tuesday
 
 Sunny. Warm. High 28°. UV index up to 7. Wind south-southeast around 5 mph, gusting to 16 mph, in the morning, becoming 10 mph, gusting to 18 mph, in the afternoon.
Tuesday night
 
 Clear. Patchy light fog after midnight. Low 12°. Wind west-southwest around 5 mph, gusting to 15 mph.
Wednesday
 
 Partly to mostly sunny in the morning, becoming sunny in the afternoon. Patchy light fog in the morning. Warm. High 27°. UV index up to 6. Wind west around 7 mph, gusting to 15 mph, in the morning, becoming 11 mph, gusting to 17 mph, in the afternoon.
Wednesday night
 
 Partly cloudy in the evening, becoming mostly clear after midnight. Light to moderate fog after midnight. Low 14°. Wind west around 11 mph, gusting to 17 mph, in the evening, becoming 6 mph after midnight.
Thursday
 
 Sunny in the morning, becoming partly cloudy in the afternoon. Light to moderate fog in the morning. Warm. High 27°. UV index up to 6. Wind west around 6 mph.
Thursday night
 
 Clear. Patchy light fog after midnight. Low 12°. Wind west around 5 mph in the evening, becoming north-northeast 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.