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: Saturday, 15-Aug-2026 10:00 pm
 
Rest of
tonight
Mostly Cloudy
Mostly Cloudy		 Sunday

Mostly Cloudy
Mostly Cloudy		 Sunday
night
Mostly Cloudy
Mostly Cloudy		 Monday

Cloudy
Cloudy		 Monday
night
Partly Cloudy
Partly Cloudy		 Tuesday

Mostly Cloudy
Mostly Cloudy		 Tuesday
night
Partly Cloudy
Partly Cloudy		 Wednesday

Mostly Cloudy
Mostly Cloudy		 Wednesday
night
Clear
Clear		 Thursday

Mostly Cloudy
Mostly Cloudy		 Thursday
night
Partly Cloudy
Partly Cloudy		 Friday

Mostly Cloudy
Mostly Cloudy		 Friday
night
Mostly Cloudy
Mostly Cloudy		 Saturday

Partly Cloudy
Partly Cloudy		 Saturday
night
Partly Cloudy
Partly Cloudy		 Sunday

Partly Cloudy
Partly Cloudy		 Sunday
night
Mostly Cloudy
Mostly Cloudy
<2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm.
Low: 19° High: 26° Low: 17° High: 26° Low: 15° High: 23° Low: 16° High: 24° Low: 12° High: 23° Low: 13° High: 23° Low: 14° High: 23° Low: 12° High: 22° Low: 13°
                                 
NNE
5
mph
Light breeze		 NNE→W
5-15
mph
Moderate breeze		 W
7
mph
Light breeze		 WNW
5→8-17
mph
Moderate breeze		 WNW
6-15
mph
Moderate breeze		 W
9-17→14-22
mph
Fresh breeze		 W
10-20→4
mph
Fresh breeze		 W
6-18→13-21
mph
Fresh breeze		 WNW
10-21→4
mph
Fresh breeze		 SW
5-17→9-17
mph
Moderate breeze		 SW→NW
5-15
mph
Moderate breeze		 N→ENE
5
mph
Light breeze		 ENE
6
mph
Light breeze		 ENE
10-20
mph
Fresh breeze		 ENE
10-17→7
mph
Moderate breeze		 NE
11-21
mph
Fresh breeze		 NE
12-21
mph
Fresh breeze
UV: 6
 High 		 UV: 5
 Medium 		 UV: 5
 Medium 		 UV: 5
 Medium 		 UV: 4
 Medium 

 

Rest of tonight
 
 Mostly cloudy to cloudy. A slight chance of rain. Warm. Low 19°. Wind north-northeast around 5 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday
 
 Mostly cloudy. Warm. High 26°. Wind north-northeast around 5 mph, gusting to 15 mph, in the morning, becoming west in the afternoon.
Sunday night
 
 Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Low 17°. Wind west around 7 mph.
Monday
 
 Cloudy in the morning, becoming partly to mostly sunny in the afternoon. Warm. High 26°. UV index up to 6. Wind west-northwest around 5 mph in the morning, becoming 8 mph, gusting to 17 mph, in the afternoon.
Monday night
 
 Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 15°. Wind west-northwest around 6 mph, gusting to 15 mph.
Tuesday
 
 Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. Breezy. High 23°. Wind west around 9 mph, gusting to 17 mph, in the morning, becoming 14 mph, gusting to 22 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
 Partly cloudy in the evening, becoming cloudy after midnight. Low 16°. Wind west around 10 mph, gusting to 20 mph, in the evening, becoming 4 mph after midnight.
Wednesday
 
 Mostly cloudy to cloudy in the morning, becoming sunny in the afternoon. A slight chance of rain. High 24°. UV index up to 5. Wind west around 6 mph, gusting to 18 mph, in the morning, becoming 13 mph, gusting to 21 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
 Clear in the evening, becoming fair after midnight. Low 12°. Wind west-northwest around 10 mph, gusting to 21 mph, in the evening, becoming 4 mph after midnight.
Thursday
 
 Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain. High 23°. Wind southwest around 5 mph, gusting to 17 mph, in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
 Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Low 13°. Wind southwest around 5 mph, gusting to 15 mph, in the evening, becoming northwest after midnight.
Friday
 
 Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. Precipitation showery or intermittent. High 23°. UV index up to 5. Wind north around 5 mph in the morning, becoming east-northeast in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
 Mostly cloudy. A slight chance of rain. Precipitation showery or intermittent. Low 14°. Wind east-northeast around 6 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
 Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. High 23°. UV index up to 5. Wind east-northeast around 10 mph, gusting to 20 mph.
Saturday night
 
 Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Low 12°. Wind east-northeast around 10 mph, gusting to 17 mph, in the evening, becoming 7 mph after midnight.
Sunday
 
 Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Breezy. High 22°. UV index up to 4. Wind northeast around 11 mph, gusting to 21 mph.
Sunday night
 
 Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Breezy. Low 13°. Wind northeast around 12 mph, gusting to 21 mph.

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.