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, 07-Sep-2026 11:00 pm
 
Rest of
tonight
Rain likely
Rain likely
Tuesday

Rain likely
Rain likely
Tuesday
night
Fog late
Fog late
Wednesday

Fog a.m.
Fog a.m.
Wednesday
night
Mostly Cloudy
Mostly Cloudy
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Mostly Cloudy
Mostly Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Rain likely
Rain likely
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Fog late
Fog late
Monday

Fog a.m.
Fog a.m.
Monday
night
Fog
Fog
Tuesday

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

 

Rest of tonight
 
Dense overcast. Patchy light fog. Rain likely. Low 14°. Wind west-southwest around 6 mph. Chance of precipitation 60 percent. Precipitation mostly around 10 mm.
Tuesday
 
Dense overcast in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog. Rain likely in the morning, then a slight chance of rain in the afternoon. High 16°. Wind west-southwest around 7 mph, gusting to 15 mph, in the morning, becoming northwest around 10 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly around 20 mm.
Tuesday night
 
Clear. Patchy light fog in the evening, then light to moderate fog after midnight. Low 10°. Wind northwest around 8 mph, gusting to 18 mph.
Wednesday
 
Sunny. Light to moderate fog in the morning. High 18°. Wind northwest around 6 mph, gusting to 15 mph.
Wednesday night
 
Fair in the evening, becoming mostly cloudy after midnight. Low 10°. Wind west-northwest around 2 mph.
Thursday
 
Partly cloudy. High 20°. UV index up to 4. Wind south-southwest around 3 mph in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon.
Thursday night
 
Cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain after midnight. Low 13°. Wind south-southwest around 6 mph, gusting to 16 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. High 20°. Wind west-southwest around 5 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. A slight chance of rain. Low 12°. Wind west-northwest around 3 mph in the evening, becoming north-northeast after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 21°. Wind south-southwest around 4 mph, gusting to 15 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon.
Saturday night
 
Dense overcast. Rain likely in the evening, then a chance of rain after midnight. Low 16°. Wind south-southwest around 10 mph, gusting to 17 mph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Sunday
 
Partly to mostly cloudy in the morning, becoming sunny in the afternoon. High 20°. UV index up to 4. Wind northwest around 10 mph, gusting to 19 mph.
Sunday night
 
Fair to partly cloudy in the evening, becoming clear after midnight. Patchy light fog after midnight. Low 11°. Wind northwest around 4 mph.
Monday
 
Sunny in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. Warm. High 22°. UV index up to 4. Wind west around 5 mph in the morning, becoming 11 mph, gusting to 18 mph, in the afternoon.
Monday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog. Low 13°. Wind west around 8 mph, gusting to 15 mph.
Tuesday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. A slight chance of rain. Warm. High 22°. Wind west around 8 mph, gusting to 15 mph, in the morning, becoming 11 mph, gusting to 19 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Fair to partly cloudy in the evening, becoming clear after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. Low 11°. Wind northwest around 6 mph, gusting to 16 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.