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: Thursday, 28-May-2026 09:00 pm
 
Tonight

Fog late
Fog late
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Cloudy
Cloudy
Monday
night
Rain likely
Rain likely
Tuesday

Thunder storm
Thunder storm
Tuesday
night
Fog late
Fog late
Wednesday

Fog a.m.
Fog a.m.
Wednesday
night
Fog late
Fog late
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Cloudy
Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Mostly Cloudy
Mostly Cloudy
<2 mm. <2 mm. <2 mm. 7 mm. 5 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm.
Low: 14° High: 23° Low: 11° High: 25° Low: 12° High: 21° Low: 13° High: 19° Low: 13° High: 19° Low: 11° High: 19° Low: 13° High: 20° Low: 11° High: 19° Low: 12°
                                 
SW→WNW
4
mph
Light breeze
WNW
6-16
mph
Moderate breeze
WNW
4
mph
Light breeze
NNW→WNW
3
mph
Light air
WNW
5
mph
Light breeze
WNW
9-18
mph
Moderate breeze
W
6-18
mph
Moderate breeze
WSW
10-19
mph
Fresh breeze
SSW
7-17
mph
Moderate breeze
SSW→WNW
9-17
mph
Moderate breeze
W
7-16
mph
Moderate breeze
SW
12-21
mph
Fresh breeze
SW
9-21→5
mph
Fresh breeze
SW
11-23→15-23
mph
Fresh breeze
SW
9-20→6
mph
Fresh breeze
S
10-23→14-24
mph
Fresh breeze
S
6-18
mph
Moderate breeze
UV: 4
 Medium 
UV: 6
 High 
UV: 5
 Medium 
UV: 6
 High 
UV: 4
 Medium 

 

Tonight
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. Low 14°. Wind southwest around 4 mph in the evening, becoming west-northwest after midnight.
Friday
 
Mostly cloudy in the morning, becoming cloudy in the afternoon. High 23°. UV index up to 4. Wind west-northwest around 6 mph, gusting to 16 mph.
Friday night
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 11°. Wind west-northwest around 4 mph.
Saturday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. High 25°. UV index up to 6. Wind north-northwest around 3 mph in the morning, becoming west-northwest in the afternoon.
Saturday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 12°. Wind west-northwest around 5 mph.
Sunday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. High 21°. UV index up to 5. Wind west-northwest around 9 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Fair to partly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Low 13°. Wind west around 6 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A slight chance of rain. High 19°. Wind west-southwest around 10 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Dense overcast. Light to moderate fog after midnight. A chance of rain in the evening, then rain likely after midnight. Precipitation showery or intermittent. Low 13°. Wind south-southwest around 7 mph, gusting to 17 mph. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm.
Tuesday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Light to moderate fog in the morning. Rain likely. Scattered thundershowers possible. High 19°. Wind south-southwest around 9 mph, gusting to 17 mph, in the morning, becoming west-northwest in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Tuesday night
 
Fair to partly cloudy. Light to moderate fog in the evening, then moderate fog after midnight. A slight chance of rain. Low 11°. Wind west around 7 mph, gusting to 16 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy to cloudy. Patchy light fog in the morning. A slight chance of rain. High 19°. Wind southwest around 12 mph, gusting to 21 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Mostly cloudy. Patchy light fog after midnight. A slight chance of rain. Low 13°. Wind southwest around 9 mph, gusting to 21 mph, in the evening, becoming 5 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. High 20°. UV index up to 6. Wind southwest around 11 mph, gusting to 23 mph, in the morning, becoming 15 mph, gusting to 23 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Cloudy. A slight chance of rain. Low 11°. Wind southwest around 9 mph, gusting to 20 mph, in the evening, becoming 6 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Mostly cloudy to cloudy. A chance of rain. High 19°. UV index up to 4. Wind south around 10 mph, gusting to 23 mph, in the morning, becoming 14 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Mostly cloudy. A slight chance of rain. Low 12°. Wind south around 6 mph, gusting to 18 mph. 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.