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 04:00 am
 
Today

Mostly Cloudy
Mostly Cloudy		 Tonight

Partly Cloudy
Partly Cloudy		 Thursday

Mostly Cloudy
Mostly Cloudy		 Thursday
night
Partly Cloudy
Partly Cloudy		 Friday

Mostly Cloudy
Mostly Cloudy		 Friday
night
Mostly Clear
Mostly Clear		 Saturday

Mostly Cloudy
Mostly Cloudy		 Saturday
night
Partly Cloudy
Partly Cloudy		 Sunday

Mostly Cloudy
Mostly Cloudy		 Sunday
night
Fog late
Fog late		 Monday

Fog a.m.
Fog a.m.		 Monday
night
Clear
Clear		 Tuesday

Sunny
Sunny		 Tuesday
night
Partly Cloudy
Partly Cloudy		 Wednesday

Partly Cloudy
Partly Cloudy		 Wednesday
night
Partly Cloudy
Partly Cloudy		 Thursday

Partly Cloudy
Partly Cloudy		 Thursday
night
Cloudy
Cloudy
<2 mm. <2 mm.
High: 26° Low: 15° High: 25° Low: 13° High: 27° Low: 13° High: 26° Low: 16° High: 25° Low: 12° High: 27° Low: 11° High: 30° Low: 13° High: 29° Low: 12° High: 28° Low: 13°
                                   
N→WSW
2
mph
Light air		 SE
3
mph
Light air		 S
4-15→9-18
mph
Moderate breeze		 SSW
7-17→4
mph
Moderate breeze		 WSW
4→9-18
mph
Moderate breeze		 WSW→N
6
mph
Light breeze		 WNW
5→13-23
mph
Fresh breeze		 WNW
12-22→6
mph
Fresh breeze		 WNW
12-21
mph
Fresh breeze		 NW
11-21→4
mph
Fresh breeze		 NW→WSW
4→9-18
mph
Moderate breeze		 WSW
7-17→calm
mph
Moderate breeze		 SSE
4→9-17
mph
Moderate breeze		 WSW→NW
5
mph
Light breeze		 NNW→SW
5→10-18
mph
Moderate breeze		 W→NW
10-18→5
mph
Moderate breeze		 NW→W
5
mph
Light breeze		 W→N
6→calm
mph
Light breeze
UV: 5
 Medium 		 UV: 4
 Medium 		 UV: 6
 High 		 UV: 6
 High 		 UV: 7
 High 		 UV: 7
 High 		 UV: 7
 High 		 UV: 6
 High 		 UV: 6
 High 

 

Today
 
 Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Warm. High 26°. UV index up to 5. Wind north around 2 mph in the morning, becoming west-southwest in the afternoon.
Tonight
 
 Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 15°. Wind southeast around 3 mph.
Thursday
 
 Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. Warm. High 25°. UV index up to 4. Wind south around 4 mph, gusting to 15 mph, in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
 Fair in the evening, becoming fair to partly cloudy after midnight. Low 13°. Wind south-southwest around 7 mph, gusting to 17 mph, in the evening, becoming 4 mph after midnight.
Friday
 
 Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Warm. High 27°. UV index up to 6. Wind west-southwest around 4 mph in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon.
Friday night
 
 Clear in the evening, becoming mostly clear after midnight. Low 13°. Wind west-southwest around 6 mph in the evening, becoming north after midnight.
Saturday
 
 Partly to mostly cloudy in the morning, becoming mostly sunny in the afternoon. Warm. High 26°. UV index up to 6. Wind west-northwest around 5 mph in the morning, becoming 13 mph, gusting to 23 mph, in the afternoon.
Saturday night
 
 Partly cloudy in the evening, becoming cloudy after midnight. Low 16°. Wind west-northwest around 12 mph, gusting to 22 mph, in the evening, becoming 6 mph after midnight.
Sunday
 
 Partly to mostly cloudy in the morning, becoming sunny in the afternoon. A slight chance of rain. Breezy and warm. High 25°. UV index up to 7. Wind west-northwest around 12 mph, gusting to 21 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
 Clear. Patchy light fog after midnight. Low 12°. Wind northwest around 11 mph, gusting to 21 mph, in the evening, becoming 4 mph after midnight.
Monday
 
 Sunny. Patchy light fog in the morning. Warm. High 27°. UV index up to 7. Wind northwest around 4 mph in the morning, becoming west-southwest around 9 mph, gusting to 18 mph, in the afternoon.
Monday night
 
 Clear. Low 11°. Wind west-southwest around 7 mph, gusting to 17 mph, in the evening, becoming near calm after midnight.
Tuesday
 
 Sunny. Unusually hot. High 30°. UV index up to 7. Wind south-southeast around 4 mph in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon.
Tuesday night
 
 Clear in the evening, becoming fair to partly cloudy after midnight. Low 13°. Wind west-southwest around 5 mph in the evening, becoming northwest after midnight.
Wednesday
 
 Partly cloudy in the morning, becoming sunny in the afternoon. Warm. High 29°. UV index up to 6. Wind north-northwest around 5 mph in the morning, becoming southwest around 10 mph, gusting to 18 mph, in the afternoon.
Wednesday night
 
 Fair to partly cloudy. Low 12°. Wind west around 10 mph, gusting to 18 mph, in the evening, becoming northwest around 5 mph after midnight.
Thursday
 
 Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Warm. High 28°. UV index up to 6. Wind northwest around 5 mph in the morning, becoming west in the afternoon.
Thursday night
 
 Cloudy in the evening, becoming fair after midnight. Low 13°. Wind west around 6 mph in the evening, becoming north near calm 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.