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, 26-Aug-2026 04:00 am
 
Today

Partly Cloudy
Partly Cloudy
Tonight

Chance rain
Chance rain
Thursday

Rain likely
Rain likely
Thursday
night
Mostly Cloudy
Mostly Cloudy
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Mostly Cloudy
Mostly Cloudy
Saturday

Chance rain
Chance rain
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Thunder storm
Thunder storm
Sunday
night
Chance rain
Chance rain
Monday

Fog a.m.
Fog a.m.
Monday
night
Cloudy
Cloudy
Tuesday

Mostly Cloudy
Mostly Cloudy
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Overcast
Overcast
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Fog
Fog
<2 mm. 2 mm. 30 mm. <2 mm. <2 mm. <5 mm. <2 mm. <5 mm. <5 mm. <2 mm. <2 mm. <2 mm. <2 mm.
High: 25° Low: 17° High: 21° Low: 15° High: 23° Low: 16° High: 21° Low: 17° High: 22° Low: 14° High: 19° Low: 14° High: 21° Low: 14° High: 19° Low: 14° High: 25° Low: 15°
                                   
SSE
4-15→9-18
mph
Moderate breeze
ESE→ENE
4
mph
Light breeze
SSE→SW
5-16→12-21
mph
Fresh breeze
SW
5-17
mph
Moderate breeze
SW
8-20→14-23
mph
Fresh breeze
SW
9-20
mph
Fresh breeze
SW
13-22→18-27
mph
Strong breeze
SW
16-26→10-20
mph
Strong breeze
SSW
10-21→15-24
mph
Fresh breeze
SSW
9-18
mph
Moderate breeze
W
12-22
mph
Fresh breeze
W
6-18
mph
Moderate breeze
WSW
6-17→11-18
mph
Moderate breeze
SW
6-15
mph
Moderate breeze
SW
12-19
mph
Fresh breeze
SW
6
mph
Light breeze
SW
8-16→12-19
mph
Fresh breeze
SW
5-15→calm
mph
Moderate breeze
UV: 4
 Medium 
UV: 4
 Medium 
UV: 5
 Medium 

 

Today
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. Warm. High 25°. Wind south-southeast around 4 mph, gusting to 15 mph, in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tonight
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Precipitation showery or intermittent. Low 17°. Wind east-southeast around 4 mph in the evening, becoming east-northeast after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Dense overcast in the morning, becoming mostly cloudy in the afternoon. Light to moderate fog in the morning, then patchy light fog in the afternoon. Rain likely in the morning, then a chance of rain in the afternoon. Precipitation showery or intermittent. High 21°. Wind south-southeast around 5 mph, gusting to 16 mph, in the morning, becoming southwest around 12 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly around 30 mm.
Thursday night
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Low 15°. Wind southwest around 5 mph, gusting to 17 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. High 23°. UV index up to 4. Wind southwest around 8 mph, gusting to 20 mph, in the morning, becoming 14 mph, gusting to 23 mph, in the afternoon.
Friday night
 
Partly to mostly cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain. Low 16°. Wind southwest around 9 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Dense overcast in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 21°. Wind southwest around 13 mph, gusting to 22 mph, in the morning, becoming 18 mph, gusting to 27 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Saturday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain. Breezy. Low 17°. Wind southwest around 16 mph, gusting to 26 mph, in the evening, becoming 10 mph, gusting to 20 mph, after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy 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. Scattered thundershowers possible. Breezy. High 22°. UV index up to 4. Wind south-southwest around 10 mph, gusting to 21 mph, in the morning, becoming 15 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly between 2 and 5 mm.
Sunday night
 
Partly cloudy in the evening, becoming mostly clear after midnight. Light to moderate fog. A chance of rain in the evening, then a slight chance of rain after midnight. Precipitation showery or intermittent. Low 14°. Wind south-southwest around 9 mph, gusting to 18 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Monday
 
Partly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Light to moderate fog in the morning. A slight chance of rain in the afternoon. Breezy. High 19°. Wind west around 12 mph, gusting to 22 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Cloudy in the evening, becoming dense overcast after midnight. Low 14°. Wind west around 6 mph, gusting to 18 mph.
Tuesday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain in the afternoon. High 21°. Wind west-southwest around 6 mph, gusting to 17 mph, in the morning, becoming 11 mph, gusting to 18 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain. Low 14°. Wind southwest around 6 mph, gusting to 15 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Dense overcast. A slight chance of rain. Breezy. High 19°. Wind southwest around 12 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 14°. Wind southwest around 6 mph.
Thursday
 
Partly to mostly cloudy in the morning, becoming sunny in the afternoon. Warm. High 25°. UV index up to 5. Wind southwest around 8 mph, gusting to 16 mph, in the morning, becoming 12 mph, gusting to 19 mph, in the afternoon.
Thursday night
 
Clear. Patchy light fog. Low 15°. Wind southwest around 5 mph, gusting to 15 mph, in the evening, becoming near calm 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.