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, 28-Aug-2026 08:00 am
 
Today

Fog a.m.
Fog a.m.
Tonight

Partly Cloudy
Partly Cloudy
Saturday

Rain likely
Rain likely
Saturday
night
Fog late
Fog late
Sunday

Fog a.m.
Fog a.m.
Sunday
night
Rain likely
Rain likely
Monday

Partly Cloudy
Partly Cloudy
Monday
night
Mostly Cloudy
Mostly Cloudy
Tuesday

Mostly Cloudy
Mostly Cloudy
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Overcast
Overcast
Wednesday
night
Chance rain
Chance rain
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Cloudy
Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Fog late
Fog late
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Rain likely
Rain likely
<2 mm. <2 mm. 15 mm. <2 mm. <2 mm. 5 mm. <2 mm. <2 mm. <2 mm. <2 mm. <5 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. 7 mm.
High: 25° Low: 17° High: 19° Low: 14° High: 19° Low: 15° High: 20° Low: 13° High: 21° Low: 13° High: 18° Low: 15° High: 24° Low: 18° High: 21° Low: 15° High: 24° Low: 15°
                                   
SSW
9-21→15-25
mph
Strong breeze
SSW
11-23
mph
Fresh breeze
SSW
10-21→16-24
mph
Fresh breeze
WSW
11-21
mph
Fresh breeze
SW
9-18→14-21
mph
Fresh breeze
SSW
12-19
mph
Fresh breeze
WSW
12-22
mph
Fresh breeze
W
7-16→3
mph
Moderate breeze
W
4→7
mph
Light breeze
W
6
mph
Light breeze
W
7→10-15
mph
Moderate breeze
SW
11-17
mph
Moderate breeze
SW
12-20→16-24
mph
Fresh breeze
SW
13-22
mph
Fresh breeze
WSW
10-16
mph
Moderate breeze
SW
4→8
mph
Gentle breeze
W
6
mph
Light breeze
N
6
mph
Light breeze
UV: 4
 Medium 
UV: 4
 Medium 

 

Today
 
Partly cloudy. Patchy light fog in the morning. A slight chance of rain in the afternoon. Breezy and warm. High 25°. UV index up to 4. Wind south-southwest around 9 mph, gusting to 21 mph, in the morning, becoming 15 mph, gusting to 25 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tonight
 
Partly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Precipitation showery or intermittent. Breezy. Low 17°. Wind south-southwest around 11 mph, gusting to 23 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Dense overcast. Rain very likely. Precipitation showery or intermittent. Breezy. High 19°. Wind south-southwest around 10 mph, gusting to 21 mph, in the morning, becoming 16 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Saturday night
 
Partly cloudy. Patchy light fog in the evening, then light to moderate fog after midnight. A slight chance of rain. Breezy. Low 14°. Wind west-southwest around 11 mph, gusting to 21 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Sunday
 
Dense overcast. Patchy light fog in the morning. A chance of rain. Precipitation showery or intermittent. Breezy. High 19°. Wind southwest around 9 mph, gusting to 18 mph, in the morning, becoming 14 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Rain likely. Precipitation showery or intermittent. Breezy. Low 15°. Wind south-southwest around 12 mph, gusting to 19 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Monday
 
Partly cloudy. A slight chance of rain. Breezy. High 20°. Wind west-southwest around 12 mph, gusting to 22 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 13°. Wind west around 7 mph, gusting to 16 mph, in the evening, becoming 3 mph after midnight.
Tuesday
 
Mostly cloudy. A slight chance of rain. High 21°. Wind west around 4 mph in the morning, becoming 7 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 mostly cloudy to cloudy after midnight. A slight chance of rain. Low 13°. Wind west around 6 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Dense overcast. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 18°. Wind west around 7 mph in the morning, becoming 10 mph, gusting to 15 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Dense overcast in the evening, becoming cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Breezy. Low 15°. Wind southwest around 11 mph, gusting to 17 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Thursday
 
Mostly cloudy. A slight chance of rain. Breezy and warm. High 24°. Wind southwest around 12 mph, gusting to 20 mph, in the morning, becoming 16 mph, gusting to 24 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain. Breezy and mild. Low 18°. Wind southwest around 13 mph, gusting to 22 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. High 21°. Wind west-southwest around 10 mph, gusting to 16 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Low 15°. Wind southwest around 4 mph in the evening, becoming 8 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain. Warm. High 24°. UV index up to 4. Wind west around 6 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Dense overcast. Patchy light fog after midnight. A chance of rain in the evening, then rain likely after midnight. Low 15°. Wind north around 6 mph. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 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.