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: Wednesday, 02-Sep-2026 02:00 am
 
Rest of
tonight
Mostly Cloudy
Mostly Cloudy
Wednesday

Cloudy
Cloudy
Wednesday
night
Mostly Cloudy
Mostly Cloudy
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Mostly Cloudy
Mostly Cloudy
Friday

Cloudy
Cloudy
Friday
night
Fog late
Fog late
Saturday

Fog a.m.
Fog a.m.
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Mostly Cloudy
Mostly Cloudy
Tuesday

Overcast
Overcast
Tuesday
night
Rain likely
Rain likely
Wednesday

Rain likely
Rain likely
Wednesday
night
Fog late
Fog late
Thursday

Fog a.m.
Fog a.m.
<2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. 20 mm. 7 mm.
Low: 15° High: 21° Low: 16° High: 22° Low: 17° High: 21° Low: 12° High: 22° Low: 11° High: 21° Low: 13° High: 24° Low: 13° High: 17° Low: 13° High: 19° Low: 10° High: 18°
                                   
SSW
4
mph
Light breeze
SSW
6-19→14-23
mph
Fresh breeze
SSW
10-20
mph
Fresh breeze
WSW
12-22→16-22
mph
Fresh breeze
WSW
14-22
mph
Fresh breeze
WSW
12-21
mph
Fresh breeze
W
8-20→5
mph
Fresh breeze
W
5
mph
Light breeze
SW→ESE
2
mph
Light air
SE
7
mph
Light breeze
S
3
mph
Light air
WSW
5→11-19
mph
Fresh breeze
WNW
8-18
mph
Moderate breeze
WNW
11-18
mph
Moderate breeze
WSW
9-18
mph
Moderate breeze
N
15-23
mph
Fresh breeze
NW
9-20→6
mph
Fresh breeze
NW
6→9-17
mph
Moderate breeze
UV: 4
 Medium 

 

Rest of tonight
 
Mostly cloudy. Low 15°. Wind south-southwest around 4 mph.
Wednesday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A slight chance of rain. High 21°. Wind south-southwest around 6 mph, gusting to 19 mph, in the morning, becoming 14 mph, gusting to 23 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A slight chance of rain. Low 16°. Wind south-southwest around 10 mph, gusting to 20 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain. Breezy. High 22°. Wind west-southwest around 12 mph, gusting to 22 mph, in the morning, becoming 16 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain. Breezy. Low 17°. Wind west-southwest around 14 mph, gusting to 22 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A slight chance of rain. Breezy. High 21°. Wind west-southwest around 12 mph, gusting to 21 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Mostly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 12°. Wind west around 8 mph, gusting to 20 mph, in the evening, becoming 5 mph after midnight.
Saturday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. High 22°. UV index up to 4. Wind west around 5 mph.
Saturday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 11°. Wind southwest around 2 mph in the evening, becoming east-southeast after midnight.
Sunday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 21°. Wind southeast around 7 mph.
Sunday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 13°. Wind south around 3 mph.
Monday
 
Partly to mostly cloudy. Warm. High 24°. Wind west-southwest around 5 mph in the morning, becoming 11 mph, gusting to 19 mph, in the afternoon.
Monday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 13°. Wind west-northwest around 8 mph, gusting to 18 mph.
Tuesday
 
Dense overcast. A slight chance of rain in the afternoon. High 17°. Wind west-northwest around 11 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A chance of rain in the evening, then rain likely after midnight. Low 13°. Wind west-southwest around 9 mph, gusting to 18 mph. Chance of precipitation 80 percent. Precipitation mostly around 20 mm.
Wednesday
 
Partly cloudy in the morning, becoming mostly sunny in the afternoon. Patchy light fog in the morning. Rain likely. Breezy. High 19°. Wind north around 15 mph, gusting to 23 mph. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Wednesday night
 
Clear in the evening, becoming fair to partly cloudy after midnight. Light to moderate fog after midnight. Low 10°. Wind northwest around 9 mph, gusting to 20 mph, in the evening, becoming 6 mph after midnight.
Thursday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. High 18°. Wind northwest around 6 mph in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon.

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.