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: Friday, 14-Aug-2026 03:00 am
 
Rest of
tonight
Mostly Clear
Mostly Clear
Friday

Mostly Sunny
Mostly Sunny
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Mostly Sunny
Mostly Sunny
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Cloudy
Cloudy
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Mostly Cloudy
Mostly Cloudy
Tuesday

Cloudy
Cloudy
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Mostly Cloudy
Mostly Cloudy
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Thunder storm
Thunder storm
Friday
night
Thunder storm
Thunder storm
Saturday

Thunder storm
Thunder storm
<2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. 10 mm.
Low: 18° High: 30° Low: 16° High: 26° Low: 15° High: 23° Low: 15° High: 24° Low: 15° High: 21° Low: 15° High: 22° Low: 12° High: 22° Low: 11° High: 21° Low: 12° High: 21°
                                   
NW
3
mph
Light air
WNW
4→9-17
mph
Moderate breeze
W→NNW
10-17
mph
Moderate breeze
NNW
11-20
mph
Fresh breeze
NNW
8-16
mph
Moderate breeze
N
7-16
mph
Moderate breeze
NW
3
mph
Light air
NNW→W
5
mph
Light breeze
WSW
6
mph
Light breeze
WSW
8
mph
Gentle breeze
W
10
mph
Gentle breeze
WNW
7-16→11-18
mph
Moderate breeze
W
8-16→5
mph
Moderate breeze
W
9-21→14-22
mph
Fresh breeze
W
9-19→4
mph
Fresh breeze
WNW→SW
2→6
mph
Light breeze
WNW→NNW
3
mph
Light air
N→NE
6
mph
Light breeze
UV: 6
 High 
UV: 6
 High 
UV: 5
 Medium 

 

Rest of tonight
 
Mostly clear. Low 18°. Wind northwest around 3 mph.
Friday
 
Sunny in the morning, becoming partly to mostly sunny in the afternoon. Unusually hot. High 30°. UV index up to 6. Wind west-northwest around 4 mph in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon.
Friday night
 
Mostly cloudy in the evening, becoming partly cloudy after midnight. Low 16°. Wind west around 10 mph, gusting to 17 mph, in the evening, becoming north-northwest after midnight.
Saturday
 
Sunny in the morning, becoming partly to mostly sunny in the afternoon. Warm. High 26°. UV index up to 6. Wind north-northwest around 11 mph, gusting to 20 mph.
Saturday night
 
Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. Low 15°. Wind north-northwest around 8 mph, gusting to 16 mph.
Sunday
 
Cloudy. High 23°. Wind north around 7 mph, gusting to 16 mph.
Sunday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 15°. Wind northwest around 3 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Mostly cloudy to cloudy. High 24°. UV index up to 5. Wind north-northwest around 5 mph in the morning, becoming west in the afternoon.
Monday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Low 15°. Wind west-southwest around 6 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 21°. Wind west-southwest around 8 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Partly to mostly cloudy. A slight chance of rain. Low 15°. Wind west around 10 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. High 22°. Wind west-northwest around 7 mph, gusting to 16 mph, in the morning, becoming 11 mph, gusting to 18 mph, in the afternoon.
Wednesday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 12°. Wind west around 8 mph, gusting to 16 mph, in the evening, becoming 5 mph after midnight.
Thursday
 
Sunny in the morning, becoming partly to mostly cloudy in the afternoon. Breezy. High 22°. Wind west around 9 mph, gusting to 21 mph, in the morning, becoming 14 mph, gusting to 22 mph, in the afternoon.
Thursday night
 
Mostly clear 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.
Friday
 
Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain in the afternoon. Scattered thundershowers possible. High 21°. Wind west-northwest around 2 mph in the morning, becoming southwest around 6 mph in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Cloudy. A chance of rain. Scattered thundershowers possible. Low 12°. Wind west-northwest around 3 mph in the evening, becoming north-northwest after midnight. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Saturday
 
Mostly cloudy. A chance of rain in the morning, then rain likely in the afternoon. Scattered thunderstorms likely. High 21°. Wind north around 6 mph in the morning, becoming northeast in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Saturday night
 
Cloudy. Patchy light fog in the evening. A chance of rain in the evening, then a slight chance of rain after midnight. Scattered thunderstorms likely. Low 15°. Wind northeast around 4 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.

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.