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: Saturday, 30-May-2026 08:00 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Chance rain
Chance rain
Monday
night
Thunder storm
Thunder storm
Tuesday

Thunder storm
Thunder storm
Tuesday
night
Fog
Fog
Wednesday

Thunder storm
Thunder storm
Wednesday
night
Chance rain
Chance rain
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Rain likely
Rain likely
Friday

Rain likely
Rain likely
Friday
night
Fog late
Fog late
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Partly Cloudy
Partly Cloudy
Sunday
night
Fog late
Fog late
<2 mm. <5 mm. 15 mm. 7 mm. 5 mm. <2 mm. <2 mm. 7 mm. 15 mm. <2 mm.
Low: 13° High: 20° Low: 11° High: 20° Low: 15° High: 20° Low: 11° High: 16° Low: 14° High: 20° Low: 13° High: 16° Low: 10° High: 20° Low: 11° High: 21° Low: 11°
                                 
W
6
mph
Light breeze
W
10-19→13-21
mph
Fresh breeze
W
8-19→4
mph
Fresh breeze
SW
8-20→12-21
mph
Fresh breeze
SW
9-16
mph
Moderate breeze
WSW
9-18→12-21
mph
Fresh breeze
W
11-20→7
mph
Fresh breeze
SW
11-20→14-21
mph
Fresh breeze
SW
12-21
mph
Fresh breeze
SW
14-24
mph
Fresh breeze
SW→SE
9-21→4
mph
Fresh breeze
SE→NW
13-26
mph
Strong breeze
W
14-26→9-16
mph
Strong breeze
WSW
10-20
mph
Fresh breeze
SSW→SE
4
mph
Light breeze
SSW
8-20→14-23
mph
Fresh breeze
SW→W
10-21→6
mph
Fresh breeze
UV: 5
 Medium 
UV: 5
 Medium 
UV: 4
 Medium 
UV: 6
 High 
UV: 6
 High 

 

Tonight
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 13°. Wind west around 6 mph.
Sunday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 20°. UV index up to 5. Wind west around 10 mph, gusting to 19 mph, in the morning, becoming 13 mph, gusting to 21 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Mostly clear in the evening, becoming partly to mostly cloudy after midnight. Low 11°. Wind west around 8 mph, gusting to 19 mph, in the evening, becoming 4 mph after midnight.
Monday
 
Dense overcast. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 20°. Wind southwest around 8 mph, gusting to 20 mph, in the morning, becoming 12 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Monday night
 
Dense overcast. Patchy light fog in the evening, then light to moderate fog after midnight. Rain very likely. Scattered thundershowers possible. Low 15°. Wind southwest around 9 mph, gusting to 16 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Tuesday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Light to moderate fog in the morning, then patchy light fog in the afternoon. Rain likely. Scattered thundershowers possible. High 20°. UV index up to 5. Wind west-southwest around 9 mph, gusting to 18 mph, in the morning, becoming 12 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Tuesday night
 
Mostly clear in the evening, becoming partly to mostly cloudy after midnight. Moderate fog. Low 11°. Wind west around 11 mph, gusting to 20 mph, in the evening, becoming 7 mph after midnight.
Wednesday
 
Cloudy in the morning, becoming dense overcast 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. Scattered thundershowers possible. High 16°. Wind southwest around 11 mph, gusting to 20 mph, in the morning, becoming 14 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Wednesday night
 
Partly cloudy in the evening, becoming cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 14°. Wind southwest around 12 mph, gusting to 21 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Thursday
 
Mostly cloudy to cloudy. A slight chance of rain. High 20°. UV index up to 4. Wind southwest around 14 mph, gusting to 24 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Dense overcast. Light to moderate fog after midnight. A slight chance of rain in the evening, then rain likely after midnight. Low 13°. Wind southwest around 9 mph, gusting to 21 mph, in the evening, becoming southeast around 4 mph after midnight. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm.
Friday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog. Rain likely in the morning, then a chance of rain in the afternoon. Precipitation showery or intermittent. High 16°. Wind southeast around 13 mph, gusting to 26 mph, in the morning, becoming northwest in the afternoon. Chance of precipitation 90 percent. Precipitation mostly between 10 and 20 mm.
Friday night
 
Fair in the evening, becoming mostly clear after midnight. Patchy light fog after midnight. Low 10°. Wind west around 14 mph, gusting to 26 mph, in the evening, becoming 9 mph, gusting to 16 mph, after midnight.
Saturday
 
Sunny in the morning, becoming partly to mostly cloudy in the afternoon. High 20°. UV index up to 6. Wind west-southwest around 10 mph, gusting to 20 mph.
Saturday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 11°. Wind south-southwest around 4 mph in the evening, becoming southeast after midnight.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. High 21°. UV index up to 6. Wind south-southwest around 8 mph, gusting to 20 mph, in the morning, becoming 14 mph, gusting to 23 mph, in the afternoon.
Sunday night
 
Partly cloudy. Patchy light fog after midnight. A slight chance of rain. Low 11°. Wind southwest around 10 mph, gusting to 21 mph, in the evening, becoming west around 6 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.

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.