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, 30-Jun-2025 08:00 pm
 
Tonight

Fog late
Fog late
Tuesday

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

Partly Cloudy
Partly Cloudy
Wednesday
night
Clear
Clear
Thursday

Sunny
Sunny
Thursday
night
Clear
Clear
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Mostly Cloudy
Mostly Cloudy
Saturday

Chance rain
Chance rain
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Thunder storm
Thunder storm
Monday
night
Fog late
Fog late
Tuesday

Fog a.m.
Fog a.m.
Tuesday
night
Partly Cloudy
Partly Cloudy
<2 mm. <2 mm. <2 mm. <2 mm. 2 mm. <2 mm. <2 mm.
Low: 18° High: 25° Low: 14° High: 21° Low: 11° High: 23° Low: 11° High: 24° Low: 12° High: 18° Low: 12° High: 20° Low: 13° High: 19° Low: 10° High: 20° Low: 10°
                                 
SSW→NW
2
mph
Light air
NW→W
4→9-15
mph
Moderate breeze
WNW
8→5
mph
Gentle breeze
NW
9-16→12-20
mph
Fresh breeze
NW→N
9-18→5
mph
Moderate breeze
NNW
5
mph
Light breeze
NW
6
mph
Light breeze
SSW
4→9-18
mph
Moderate breeze
WSW
6-16
mph
Moderate breeze
WSW
9-17→12-18
mph
Moderate breeze
W
12-18
mph
Moderate breeze
WNW
15-24
mph
Fresh breeze
WNW
12-22→7
mph
Fresh breeze
WNW
10-20
mph
Fresh breeze
NW
9-17→5
mph
Moderate breeze
NW
7-17→11-19
mph
Fresh breeze
NW
9-16→5
mph
Moderate breeze
UV: 4
 Medium 
UV: 5
 Medium 
UV: 7
 High 
UV: 6
 High 
UV: 4
 Medium 
UV: 6
 High 

 

Tonight
 
Fair in the evening, becoming fair to partly cloudy after midnight. Light to moderate fog after midnight. Low 18°. Wind south-southwest around 2 mph in the evening, becoming northwest after midnight.
Tuesday
 
Partly cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. High 25°. UV index up to 4. Wind northwest around 4 mph in the morning, becoming west around 9 mph, gusting to 15 mph, in the afternoon.
Tuesday night
 
Partly to mostly cloudy. Low 14°. Wind west-northwest around 8 mph in the evening, becoming 5 mph after midnight.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. High 21°. UV index up to 5. Wind northwest around 9 mph, gusting to 16 mph, in the morning, becoming 12 mph, gusting to 20 mph, in the afternoon.
Wednesday night
 
Clear. Low 11°. Wind northwest around 9 mph, gusting to 18 mph, in the evening, becoming north around 5 mph after midnight.
Thursday
 
Sunny. High 23°. UV index up to 7. Wind north-northwest around 5 mph.
Thursday night
 
Clear. Low 11°. Wind northwest around 6 mph.
Friday
 
Partly to mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. High 24°. UV index up to 6. Wind south-southwest around 4 mph in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon.
Friday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Low 12°. Wind west-southwest around 6 mph, gusting to 16 mph.
Saturday
 
Cloudy in the morning, becoming dense overcast in the afternoon. A chance of rain in the afternoon. High 18°. Wind west-southwest around 9 mph, gusting to 17 mph, in the morning, becoming 12 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Cloudy in the evening, becoming partly to mostly cloudy after midnight. A chance of rain. Low 12°. Wind west around 12 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 20°. UV index up to 4. Wind west-northwest around 15 mph, gusting to 24 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Low 13°. Wind west-northwest around 12 mph, gusting to 22 mph, in the evening, becoming 7 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Scattered thunderstorms likely. High 19°. Wind west-northwest around 10 mph, gusting to 20 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Monday night
 
Fair in the evening, becoming fair to partly cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. A slight chance of rain. Precipitation showery or intermittent. Low 10°. Wind northwest around 9 mph, gusting to 17 mph, in the evening, becoming 5 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. High 20°. UV index up to 6. Wind northwest around 7 mph, gusting to 17 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
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 10°. Wind northwest around 9 mph, gusting to 16 mph, in the evening, becoming 5 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.