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 05:00 pm
 
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

Mostly Cloudy
Mostly Cloudy
Saturday
night
Chance rain
Chance rain
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Fog
Fog
Monday

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

Fog a.m.
Fog a.m.
Tuesday
night
Fog late
Fog late
10 mm. 20 mm. <2 mm. 2 mm. <2 mm. <2 mm. <2 mm.
Low: 14° High: 16° Low: 10° High: 18° Low: 10° High: 19° Low: 12° High: 20° Low: 12° High: 22° Low: 16° High: 22° Low: 12° High: 22° Low: 17° High: 23° Low: 11°
                                 
WSW
6
mph
Light breeze
WSW→NW
6→9-17
mph
Moderate breeze
NW
8-17
mph
Moderate breeze
NW
6
mph
Light breeze
NW
calm

Calm
S
3→9-17
mph
Moderate breeze
SSW
5
mph
Light breeze
SW
6
mph
Light breeze
WSW→NNW
2
mph
Light air
SW
3→9-17
mph
Moderate breeze
SW
6
mph
Light breeze
WSW
9-17
mph
Moderate breeze
WNW
4
mph
Light breeze
SW
4→10-17
mph
Moderate breeze
SW
8-15
mph
Moderate breeze
WSW
11-22→14-23
mph
Fresh breeze
W
10-21→6
mph
Fresh breeze
UV: 4
 Medium 

 

Tonight
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. Rain likely after midnight. Low 14°. Wind west-southwest around 6 mph. Chance of precipitation 70 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 chance of rain in the afternoon. High 16°. Wind west-southwest around 6 mph in the morning, becoming northwest around 9 mph, gusting to 17 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly around 20 mm.
Tuesday night
 
Clear. Patchy light fog in the evening, then moderate fog after midnight. Low 10°. Wind northwest around 8 mph, gusting to 17 mph.
Wednesday
 
Sunny. Light to moderate fog in the morning. High 18°. Wind northwest around 6 mph.
Wednesday night
 
Mostly clear in the evening, becoming partly to mostly cloudy after midnight. Low 10°. Wind northwest near calm.
Thursday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. High 19°. Wind south around 3 mph in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon.
Thursday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 12°. Wind south-southwest around 5 mph.
Friday
 
Mostly cloudy to cloudy. High 20°. Wind southwest around 6 mph.
Friday night
 
Fair in the evening, becoming partly cloudy after midnight. Low 12°. Wind west-southwest around 2 mph in the evening, becoming north-northwest after midnight.
Saturday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 22°. Wind southwest around 3 mph in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Mostly cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Mild. Low 16°. Wind southwest around 6 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. Mild. High 22°. Wind west-southwest around 9 mph, gusting to 17 mph. 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. Low 12°. Wind west-northwest around 4 mph.
Monday
 
Sunny. Moderate fog in the morning, then patchy light fog in the afternoon. Mild. High 22°. UV index up to 4. Wind southwest around 4 mph in the morning, becoming 10 mph, gusting to 17 mph, in the afternoon.
Monday night
 
Fair in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog. A slight chance of rain after midnight. Mild. Low 17°. Wind southwest around 8 mph, gusting to 15 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the afternoon. Breezy and warm. High 23°. Wind west-southwest around 11 mph, gusting to 22 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.
Tuesday night
 
Clear. Patchy light fog in the evening, then light to moderate fog after midnight. Low 11°. Wind west around 10 mph, gusting to 21 mph, in the evening, becoming 6 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.