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: Thursday, 25-Jun-2026 08:00 am
 
Today

Mostly Sunny
Mostly Sunny
Tonight

Thunder storm
Thunder storm
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Fair
Fair
Saturday

Partly Cloudy
Partly 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
Partly Cloudy
Partly Cloudy
Tuesday

Sunny
Sunny
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Fog late
Fog late
Thursday

Fog a.m.
Fog a.m.
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Mostly Sunny
Mostly Sunny
Friday
night
Partly Cloudy
Partly Cloudy
<2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm.
High: 34° Low: 20° High: 30° Low: 16° High: 30° Low: 16° High: 25° Low: 14° High: 25° Low: 13° High: 25° Low: 12° High: 24° Low: 11° High: 25° Low: 13° High: 25° Low: 11°
                                   
E
10-21→13-21
mph
Fresh breeze
E
11-19→4
mph
Fresh breeze
WSW
6-19→11-20
mph
Fresh breeze
W→NNW
6-17→calm
mph
Moderate breeze
SSW
5-16→8-17
mph
Moderate breeze
WSW
6→2
mph
Light breeze
W
5→12-22
mph
Fresh breeze
W
11-21→5
mph
Fresh breeze
NNW
4
mph
Light breeze
NNW→NNE
5
mph
Light breeze
NNE
7-16
mph
Moderate breeze
S
6→2
mph
Light breeze
SSW
6-18→11-20
mph
Fresh breeze
WNW
8-18→4
mph
Moderate breeze
W
5-16→12-21
mph
Fresh breeze
WSW→WNW
8-19
mph
Fresh breeze
NW
7-17→11-19
mph
Fresh breeze
WNW
9-19→4
mph
Fresh breeze
UV: 7
 High 
UV: 7
 High 
UV: 6
 High 
UV: 5
 Medium 
UV: 6
 High 
UV: 6
 High 
UV: 6
 High 
UV: 7
 High 
UV: 7
 High 

 

Today
 
Partly to mostly sunny in the morning, becoming sunny in the afternoon. High 34°. UV index up to 7. Wind east around 10 mph, gusting to 21 mph, in the morning, becoming 13 mph, gusting to 21 mph, in the afternoon.
Tonight
 
Fair in the evening, becoming partly cloudy after midnight. A slight chance of rain. Scattered thundershowers possible. Low 20°. Wind east around 11 mph, gusting to 19 mph, in the evening, becoming 4 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Partly cloudy in the morning, becoming sunny in the afternoon. High 30°. UV index up to 7. Wind west-southwest around 6 mph, gusting to 19 mph, in the morning, becoming 11 mph, gusting to 20 mph, in the afternoon.
Friday night
 
Fair. A slight chance of rain after midnight. Low 16°. Wind west around 6 mph, gusting to 17 mph, in the evening, becoming north-northwest near calm after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly cloudy. High 30°. UV index up to 6. Wind south-southwest around 5 mph, gusting to 16 mph, in the morning, becoming 8 mph, gusting to 17 mph, in the afternoon.
Saturday night
 
Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain after midnight. Low 16°. Wind west-southwest around 6 mph in the evening, becoming 2 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. High 25°. UV index up to 5. Wind west around 5 mph in the morning, becoming 12 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Fair to partly cloudy in the evening, becoming clear after midnight. Patchy light fog after midnight. A slight chance of rain. Low 14°. Wind west around 11 mph, gusting to 21 mph, in the evening, becoming 5 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. High 25°. UV index up to 6. Wind north-northwest around 4 mph.
Monday night
 
Mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 13°. Wind north-northwest around 5 mph in the evening, becoming north-northeast after midnight.
Tuesday
 
Sunny. High 25°. UV index up to 6. Wind north-northeast around 7 mph, gusting to 16 mph.
Tuesday night
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 12°. Wind south around 6 mph in the evening, becoming 2 mph after midnight.
Wednesday
 
Mostly cloudy. High 24°. UV index up to 6. Wind south-southwest around 6 mph, gusting to 18 mph, in the morning, becoming 11 mph, gusting to 20 mph, in the afternoon.
Wednesday night
 
Partly cloudy in the evening, becoming clear after midnight. Patchy light fog after midnight. Low 11°. Wind west-northwest around 8 mph, gusting to 18 mph, in the evening, becoming 4 mph after midnight.
Thursday
 
Sunny in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. High 25°. UV index up to 7. Wind west around 5 mph, gusting to 16 mph, in the morning, becoming 12 mph, gusting to 21 mph, in the afternoon.
Thursday night
 
Mostly cloudy to cloudy in the evening, becoming partly cloudy after midnight. A slight chance of rain. Low 13°. Wind west-southwest around 8 mph, gusting to 19 mph, in the evening, becoming west-northwest after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Partly to mostly sunny. High 25°. UV index up to 7. Wind northwest around 7 mph, gusting to 17 mph, in the morning, becoming 11 mph, gusting to 19 mph, in the afternoon.
Friday night
 
Partly cloudy. Low 11°. Wind west-northwest around 9 mph, gusting to 19 mph, in the evening, becoming 4 mph 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.