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: Monday, 31-Aug-2026 12:00 pm
 
This
afternoon
Mostly Cloudy
Mostly Cloudy		 Tonight

Partly Cloudy
Partly Cloudy		 Tuesday

Mostly Cloudy
Mostly Cloudy		 Tuesday
night
Mostly Cloudy
Mostly Cloudy		 Wednesday

Mostly Cloudy
Mostly Cloudy		 Wednesday
night
Partly Cloudy
Partly Cloudy		 Thursday

Cloudy
Cloudy		 Thursday
night
Mostly Cloudy
Mostly Cloudy		 Friday

Cloudy
Cloudy		 Friday
night
Partly Cloudy
Partly Cloudy		 Saturday

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

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

Mostly Cloudy
Mostly Cloudy		 Monday
night
Mostly Cloudy
Mostly Cloudy		 Tuesday

Partly Cloudy
Partly Cloudy		 Tuesday
night
Fog late
Fog late
<2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm.
High: 22° Low: 11° High: 21° Low: 12° High: 22° Low: 14° High: 22° Low: 15° High: 20° Low: 11° High: 22° Low: 10° High: 25° Low: 12° High: 24° Low: 13° High: 25° Low: 11°
                                   
W
12-23
mph
Fresh breeze		 W
9-19→4
mph
Fresh breeze		 W
5-15→10-19
mph
Fresh breeze		 WSW
5-16
mph
Moderate breeze		 WSW
7-18→13-22
mph
Fresh breeze		 WSW
9-19
mph
Fresh breeze		 WSW
10-18→14-21
mph
Fresh breeze		 WSW
13-19
mph
Fresh breeze		 WNW
9-18
mph
Moderate breeze		 WNW
9-18→5
mph
Moderate breeze		 WNW
6
mph
Light breeze		 SW
2
mph
Light air		 SSW
4→8-16
mph
Moderate breeze		 SSW
2
mph
Light air		 W
4→8-15
mph
Moderate breeze		 N
9-15→5
mph
Moderate breeze		 N→SW
3→7-17
mph
Moderate breeze		 SW
7
mph
Light breeze
UV: 4
 Medium 		 UV: 4
 Medium 		 UV: 5
 Medium 		 UV: 4
 Medium 		 UV: 5
 Medium 

 

This afternoon
 
 Mostly cloudy. A slight chance of rain. Breezy. High 22°. Wind west around 12 mph, gusting to 23 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tonight
 
 Mostly cloudy to cloudy in the evening, becoming partly cloudy after midnight. Low 11°. Wind west around 9 mph, gusting to 19 mph, in the evening, becoming 4 mph after midnight.
Tuesday
 
 Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain in the afternoon. High 21°. UV index up to 4. Wind west around 5 mph, gusting to 15 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
 Cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain. Low 12°. Wind west-southwest around 5 mph, gusting to 16 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
 Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. High 22°. UV index up to 4. Wind west-southwest around 7 mph, gusting to 18 mph, in the morning, becoming 13 mph, gusting to 22 mph, in the afternoon.
Wednesday night
 
 Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 14°. Wind west-southwest around 9 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
 Cloudy. A slight chance of rain. Breezy. High 22°. Wind west-southwest around 10 mph, gusting to 18 mph, in the morning, becoming 14 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
 Mostly cloudy to cloudy. A slight chance of rain. Breezy. Low 15°. Wind west-southwest around 13 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday
 
 Cloudy. A slight chance of rain. High 20°. Wind west-northwest around 9 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
 Partly cloudy. Low 11°. Wind west-northwest around 9 mph, gusting to 18 mph, in the evening, becoming 5 mph after midnight.
Saturday
 
 Sunny. Patchy light fog in the morning. High 22°. UV index up to 5. Wind west-northwest around 6 mph.
Saturday night
 
 Fair in the evening, becoming clear after midnight. Patchy light fog after midnight. Low 10°. Wind southwest around 2 mph.
Sunday
 
 Sunny in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. Warm. High 25°. UV index up to 4. Wind south-southwest around 4 mph in the morning, becoming 8 mph, gusting to 16 mph, in the afternoon.
Sunday night
 
 Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. Low 12°. Wind south-southwest around 2 mph.
Monday
 
 Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Warm. High 24°. Wind west around 4 mph in the morning, becoming 8 mph, gusting to 15 mph, in the afternoon.
Monday night
 
 Mostly cloudy to cloudy. A slight chance of rain. Low 13°. Wind north around 9 mph, gusting to 15 mph, in the evening, becoming 5 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
 Partly cloudy. Warm. High 25°. UV index up to 5. Wind north around 3 mph in the morning, becoming southwest around 7 mph, gusting to 17 mph, in the afternoon.
Tuesday night
 
 Fair to partly cloudy in the evening, becoming fair after midnight. Patchy light fog after midnight. Low 11°. Wind southwest around 7 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.