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: Sunday, 31-May-2026 05:00 am
 
Today

Mostly Cloudy
Mostly Cloudy
Tonight

Mostly Cloudy
Mostly Cloudy
Monday

Overcast
Overcast
Monday
night
Rain likely
Rain likely
Tuesday

Thunder storm
Thunder storm
Tuesday
night
Fog late
Fog late
Wednesday

Chance rain
Chance rain
Wednesday
night
Mostly Cloudy
Mostly Cloudy
Thursday

Cloudy
Cloudy
Thursday
night
Rain likely
Rain likely
Friday

Rain likely
Rain likely
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Fog late
Fog late
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Fog late
Fog late
<2 mm. <2 mm. 40 mm. 10 mm. 2 mm. <2 mm. <2 mm. 5 mm. 50 mm. <2 mm. <2 mm. <2 mm.
High: 21° Low: 12° High: 19° Low: 13° High: 19° Low: 12° High: 15° Low: 12° High: 17° Low: 12° High: 14° Low: 10° High: 19° Low: 10° High: 22° Low: 12° High: 24° Low: 12°
                                   
WSW
11-22
mph
Fresh breeze
WSW
8-19→4
mph
Fresh breeze
WSW
8-19→11-21
mph
Fresh breeze
SSW
9-16
mph
Moderate breeze
WSW
11-22→14-22
mph
Fresh breeze
WSW
9-19
mph
Fresh breeze
WSW
13-22→18-24
mph
Fresh breeze
SW
16-24→12-18
mph
Fresh breeze
SW
14-23
mph
Fresh breeze
SW
10-20→2
mph
Fresh breeze
NNW→WNW
9-20→14-23
mph
Fresh breeze
W
11-20→7
mph
Fresh breeze
SW
12-21
mph
Fresh breeze
SW
4-17
mph
Moderate breeze
WSW
8-17
mph
Moderate breeze
WNW→N
3
mph
Light air
E→SSE
5
mph
Light breeze
SSE→N
2
mph
Light air
UV: 5
 Medium 
UV: 6
 High 
UV: 6
 High 

 

Today
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 21°. Wind west-southwest around 11 mph, gusting to 22 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tonight
 
Fair in the evening, becoming mostly cloudy to cloudy after midnight. Low 12°. Wind west-southwest around 8 mph, gusting to 19 mph, in the evening, becoming 4 mph after midnight.
Monday
 
Dense overcast. A slight chance of rain. High 19°. Wind west-southwest around 8 mph, gusting to 19 mph, in the morning, becoming 11 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Dense overcast. Patchy light fog. Rain very likely. Precipitation showery or intermittent. Low 13°. Wind south-southwest around 9 mph, gusting to 16 mph. Chance of precipitation 80 percent. Precipitation mostly between 30 and 50 mm.
Tuesday
 
Partly to mostly cloudy. Patchy light fog in the morning. A chance of rain in the morning, then rain likely in the afternoon. Scattered thundershowers possible. High 19°. Wind west-southwest around 11 mph, gusting to 22 mph, in the morning, becoming 14 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Tuesday night
 
Fair in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. Low 12°. Wind west-southwest around 9 mph, gusting to 19 mph.
Wednesday
 
Dense overcast. Patchy light fog in the morning. A chance of rain. High 15°. Wind west-southwest around 13 mph, gusting to 22 mph, in the morning, becoming 18 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Wednesday night
 
Mostly cloudy to cloudy. A chance of rain in the evening, then a slight chance of rain after midnight. Low 12°. Wind southwest around 16 mph, gusting to 24 mph, in the evening, becoming 12 mph, gusting to 18 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A chance of rain. High 17°. Wind southwest around 14 mph, gusting to 23 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Dense overcast. Patchy light fog after midnight. A slight chance of rain in the evening, then rain likely after midnight. Precipitation showery or intermittent. Low 12°. Wind southwest around 10 mph, gusting to 20 mph, in the evening, becoming 2 mph after midnight. Chance of precipitation 70 percent. Precipitation mostly around 5 mm.
Friday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Patchy light fog. Rain very likely. High 14°. Wind north-northwest around 9 mph, gusting to 20 mph, in the morning, becoming west-northwest around 14 mph, gusting to 23 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly between 40 and 60 mm.
Friday night
 
Mostly clear in the evening, becoming fair to partly cloudy after midnight. Low 10°. Wind west around 11 mph, gusting to 20 mph, in the evening, becoming 7 mph after midnight.
Saturday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 19°. UV index up to 5. Wind southwest around 12 mph, gusting to 21 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Partly to mostly cloudy in the evening, becoming fair after midnight. Patchy light fog after midnight. Low 10°. Wind southwest around 4 mph, gusting to 17 mph.
Sunday
 
Mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain in the afternoon. High 22°. UV index up to 6. Wind west-southwest around 8 mph, gusting to 17 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 12°. Wind west-northwest around 3 mph in the evening, becoming north 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 sunny in the afternoon. High 24°. UV index up to 6. Wind east around 5 mph in the morning, becoming south-southeast in the afternoon.
Monday night
 
Clear in the evening, becoming mostly clear after midnight. Patchy light fog after midnight. Low 12°. Wind south-southeast around 2 mph in the evening, becoming north 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.