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, 01-Jun-2026 12:00 pm
 
This
afternoon
Overcast
Overcast
Tonight

Rain likely
Rain likely
Tuesday

Rain likely
Rain likely
Tuesday
night
Fog late
Fog late
Wednesday

Chance rain
Chance rain
Wednesday
night
Rain likely
Rain likely
Thursday

Thunder storm
Thunder storm
Thursday
night
Fog
Fog
Friday

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

Mostly Cloudy
Mostly Cloudy
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Fog late
Fog late
Tuesday

Fog a.m.
Fog a.m.
Tuesday
night
Fog late
Fog late
<2 mm. 50 mm. 5 mm. <5 mm. <5 mm. <5 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm.
High: 21° Low: 13° High: 17° Low: 10° High: 18° Low: 14° High: 19° Low: 11° High: 17° Low: 8° High: 18° Low: 9° High: 20° Low: 12° High: 21° Low: 14° High: 22° Low: 11°
                                   
SW
12-22
mph
Fresh breeze
SW
10-18
mph
Moderate breeze
WSW
11-20
mph
Fresh breeze
W
12-21→8
mph
Fresh breeze
SW
12-23→18-26
mph
Strong breeze
SSW
15-25
mph
Strong breeze
SSW
16-26
mph
Strong breeze
WSW
10-22
mph
Fresh breeze
WSW
9-18
mph
Moderate breeze
SW
7-16→4
mph
Moderate breeze
SSW
6-17→11-19
mph
Fresh breeze
SSW
8-18→4
mph
Moderate breeze
SSW
5→10-18
mph
Moderate breeze
S
6-16
mph
Moderate breeze
S
11-19
mph
Fresh breeze
SW
8-17
mph
Moderate breeze
WNW
6-15
mph
Moderate breeze
SW
4
mph
Light breeze
UV: 6
 High 
UV: 4
 Medium 
UV: 4
 Medium 
UV: 6
 High 

 

This afternoon
 
Dense overcast. A slight chance of rain. High 21°. UV index up to 6. Wind southwest around 12 mph, gusting to 22 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tonight
 
Dense overcast in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog in the evening, then moderate fog after midnight. Rain very likely. Low 13°. Wind southwest around 10 mph, gusting to 18 mph. Chance of precipitation 80 percent. Precipitation mostly between 40 and 60 mm.
Tuesday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. Rain likely. High 17°. UV index up to 4. Wind west-southwest around 11 mph, gusting to 20 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Tuesday night
 
Mostly clear in the evening, becoming fair to partly cloudy after midnight. Light to moderate fog in the evening, then moderate fog after midnight. Low 10°. Wind west around 12 mph, gusting to 21 mph, in the evening, becoming 8 mph after midnight.
Wednesday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Light to moderate fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 18°. UV index up to 4. Wind southwest around 12 mph, gusting to 23 mph, in the morning, becoming 18 mph, gusting to 26 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Wednesday night
 
Cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. Rain likely. Precipitation showery or intermittent. Low 14°. Wind south-southwest around 15 mph, gusting to 25 mph. Chance of precipitation 60 percent. Precipitation mostly between 2 and 5 mm.
Thursday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Rain likely. Scattered thunderstorms likely. High 19°. Wind south-southwest around 16 mph, gusting to 26 mph. Chance of precipitation 60 percent. Precipitation mostly between 2 and 5 mm.
Thursday night
 
Partly cloudy. Light to moderate fog. A slight chance of rain. Precipitation showery or intermittent. Low 11°. Wind west-southwest around 10 mph, gusting to 22 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. High 17°. Wind west-southwest around 9 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. A slight chance of rain. Low 8°. Wind southwest around 7 mph, gusting to 16 mph, in the evening, becoming 4 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. High 18°. Wind south-southwest around 6 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.
Saturday night
 
Partly to mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 9°. Wind south-southwest around 8 mph, gusting to 18 mph, in the evening, becoming 4 mph after midnight.
Sunday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. High 20°. Wind south-southwest around 5 mph in the morning, becoming 10 mph, gusting to 18 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Mostly cloudy in the evening, becoming partly cloudy after midnight. Low 12°. Wind south around 6 mph, gusting to 16 mph.
Monday
 
Mostly cloudy to cloudy. A chance of rain. High 21°. Wind south around 11 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Mostly cloudy. Patchy light fog in the evening, then light to moderate fog after midnight. A slight chance of rain. Low 14°. Wind southwest around 8 mph, gusting to 17 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Light to moderate fog in the morning. High 22°. UV index up to 6. Wind west-northwest around 6 mph, gusting to 15 mph.
Tuesday night
 
Partly to mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Patchy light fog after midnight. Low 11°. Wind southwest around 4 mph.

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.