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: Wednesday, 27-May-2026 06:00 am
 
Today

Sunny
Sunny
Tonight

Partly Cloudy
Partly Cloudy
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Fog late
Fog late
Monday

Rain likely
Rain likely
Monday
night
Rain likely
Rain likely
Tuesday

Thunder storm
Thunder storm
Tuesday
night
Fog late
Fog late
Wednesday

Chance rain
Chance rain
Wednesday
night
Rain likely
Rain likely
Thursday

Thunder storm
Thunder storm
Thursday
night
Thunder storm
Thunder storm
<2 mm. <2 mm. <2 mm. <2 mm. <2 mm. 20 mm. 10 mm. 5 mm. <2 mm. <2 mm. 15 mm. 5 mm. <2 mm.
High: 28° Low: 15° High: 27° Low: 13° High: 25° Low: 14° High: 24° Low: 15° High: 22° Low: 12° High: 17° Low: 15° High: 20° Low: 11° High: 18° Low: 12° High: 18° Low: 15°
                                   
ENE→ESE
6-16→10-19
mph
Fresh breeze
ESE
8-18
mph
Moderate breeze
ESE→SSW
9-18
mph
Moderate breeze
SSW→W
4
mph
Light breeze
WNW
7-18
mph
Moderate breeze
WNW
5-16→2
mph
Moderate breeze
W
3→7-16
mph
Moderate breeze
W
5
mph
Light breeze
W
8-19→12-21
mph
Fresh breeze
W→SW
6-17
mph
Moderate breeze
SSW
10-16
mph
Moderate breeze
SSW
12-19→7-15
mph
Fresh breeze
WSW
11-21
mph
Fresh breeze
WSW
10-18
mph
Moderate breeze
WSW
11-20→15-24
mph
Fresh breeze
SSW
15-21→11-18
mph
Fresh breeze
SSW
14-25→19-27
mph
Strong breeze
SSW
16-26→12-21
mph
Strong breeze
UV: 7
 High 
UV: 5
 Medium 
UV: 6
 High 
UV: 6
 High 
UV: 4
 Medium 

 

Today
 
Sunny. High 28°. UV index up to 7. Wind east-northeast around 6 mph, gusting to 16 mph, in the morning, becoming east-southeast around 10 mph, gusting to 19 mph, in the afternoon.
Tonight
 
Mostly clear in the evening, becoming partly cloudy after midnight. A slight chance of rain after midnight. Low 15°. Wind east-southeast around 8 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. High 27°. UV index up to 5. Wind east-southeast around 9 mph, gusting to 18 mph, in the morning, becoming south-southwest in the afternoon.
Thursday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain. Low 13°. Wind south-southwest around 4 mph in the evening, becoming west after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly sunny in the afternoon. A slight chance of rain. High 25°. UV index up to 6. Wind west-northwest around 7 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 14°. Wind west-northwest around 5 mph, gusting to 16 mph, in the evening, becoming 2 mph after midnight.
Saturday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. High 24°. UV index up to 6. Wind west around 3 mph in the morning, becoming 7 mph, gusting to 16 mph, in the afternoon.
Saturday night
 
Mostly cloudy in the evening, becoming dense overcast after midnight. Low 15°. Wind west around 5 mph.
Sunday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 22°. UV index up to 4. Wind west around 8 mph, gusting to 19 mph, in the morning, becoming 12 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Fair in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. A slight chance of rain after midnight. Low 12°. Wind west around 6 mph, gusting to 17 mph, in the evening, becoming southwest after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Dense overcast. Patchy light fog in the afternoon. A chance of rain in the morning, then rain likely in the afternoon. Precipitation showery or intermittent. High 17°. Wind south-southwest around 10 mph, gusting to 16 mph. Chance of precipitation 80 percent. Precipitation mostly around 20 mm.
Monday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog. Rain likely in the evening, then a slight chance of rain after midnight. Precipitation showery or intermittent. Low 15°, but temperatures rising after midnight. Wind south-southwest around 12 mph, gusting to 19 mph, in the evening, becoming 7 mph, gusting to 15 mph, after midnight. Chance of precipitation 80 percent. Precipitation mostly around 10 mm.
Tuesday
 
Mostly cloudy. Rain likely. Scattered thunderstorms likely. High 20°, but temperatures falling in the afternoon. Wind west-southwest around 11 mph, gusting to 21 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Tuesday night
 
Partly to mostly cloudy 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. Low 11°. Wind west-southwest around 10 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 18°. Wind west-southwest around 11 mph, gusting to 20 mph, in the morning, becoming 15 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog after midnight. Rain likely in the evening, then a slight chance of rain after midnight. Low 12°. Wind south-southwest around 15 mph, gusting to 21 mph, in the evening, becoming 11 mph, gusting to 18 mph, after midnight. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Thursday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Rain likely. Scattered thundershowers possible. High 18°. Wind south-southwest around 14 mph, gusting to 25 mph, in the morning, becoming 19 mph, gusting to 27 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Thursday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. A chance of rain. Scattered thundershowers possible. Low 15°. Wind south-southwest around 16 mph, gusting to 26 mph, in the evening, becoming 12 mph, gusting to 21 mph, after midnight. Chance of precipitation 30 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.