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: Tuesday, 01-Sep-2026 04:00 pm
 
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

Chance rain
Chance rain
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
Partly Cloudy
Partly Cloudy
Monday

Mostly Sunny
Mostly Sunny
Monday
night
Fog
Fog
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Fog late
Fog late
<2 mm. <2 mm. <2 mm. <2 mm. <2 mm. 7 mm. <2 mm. <2 mm. <2 mm. <2 mm.
Low: 14° High: 19° Low: 14° High: 23° Low: 18° High: 22° Low: 12° High: 21° Low: 11° High: 23° Low: 13° High: 25° Low: 15° High: 22° Low: 14° High: 20° Low: 11°
                                 
SW
6-17→3
mph
Moderate breeze
SW
6-17→13-22
mph
Fresh breeze
SW
9-19
mph
Fresh breeze
SW
10-19→14-21
mph
Fresh breeze
SW
11-19
mph
Fresh breeze
WSW
13-19→9-17
mph
Fresh breeze
W
5-15
mph
Moderate breeze
WNW→WSW
4
mph
Light breeze
WSW→SSE
2
mph
Light air
SE→S
3→8-16
mph
Moderate breeze
S
3
mph
Light air
SW
6-17→12-20
mph
Fresh breeze
W
6-16
mph
Moderate breeze
W
11-22→15-23
mph
Fresh breeze
W
14-22
mph
Fresh breeze
W
15-25
mph
Strong breeze
W
11-22→7
mph
Fresh breeze
UV: 4
 Medium 
UV: 4
 Medium 

 

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

WXSIM forecast formatting script by Saratoga-Weather.org.

 
 
 
 
Forecast
 
Trends
             
 
 
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.