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: Friday, 23-May-2025 11:00 pm
 
Rest of
tonight
Chance rain
Chance rain
Saturday

Overcast
Overcast
Saturday
night
Chance rain
Chance rain
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Cloudy
Cloudy
Monday
night
Overcast
Overcast
Tuesday

Chance rain
Chance rain
Tuesday
night
Fog late
Fog late
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Cloudy
Cloudy
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Fog
Fog
Friday

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

Thunder storm
Thunder storm
Saturday
night
Thunder storm
Thunder storm
5 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. 2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm.
Low: 12° High: 17° Low: 13° High: 18° Low: 10° High: 16° Low: 12° High: 16° Low: 12° High: 18° Low: 12° High: 21° Low: 11° High: 22° Low: 10° High: 23° Low: 12°
                                 
SSW
8-15
mph
Moderate breeze
SW→W
13-20
mph
Fresh breeze
W
14-21
mph
Fresh breeze
W
16-27
mph
Strong breeze
WSW
11-22→8-16
mph
Fresh breeze
WSW
11-20
mph
Fresh breeze
WSW
12-20→15-22
mph
Fresh breeze
SW
13-20→16-23
mph
Fresh breeze
SW
15-23
mph
Fresh breeze
W
16-25
mph
Strong breeze
W→SW
9-20
mph
Fresh breeze
SW
15-23
mph
Fresh breeze
W
9-19→3
mph
Fresh breeze
SSW
2→6
mph
Light breeze
SSW→SSE
4→calm
mph
Light breeze
SE
6-15→10-17
mph
Moderate breeze
W
7
mph
Light breeze
UV: 4
 Medium 
UV: 6
 High 

 

Rest of tonight
 
Dense overcast. Patchy light fog. A chance of rain. Low 12°. Wind south-southwest around 8 mph, gusting to 15 mph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Saturday
 
Dense overcast. A slight chance of rain. High 17°. Wind southwest around 13 mph, gusting to 20 mph, in the morning, becoming west in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Dense overcast in the evening, becoming cloudy after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 13°. Wind west around 14 mph, gusting to 21 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Sunday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 18°. Wind west around 16 mph, gusting to 27 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Fair to partly cloudy. Low 10°. Wind west-southwest around 11 mph, gusting to 22 mph, in the evening, becoming 8 mph, gusting to 16 mph, after midnight.
Monday
 
Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain. High 16°. Wind west-southwest around 11 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Dense overcast. A chance of rain. Low 12°. Wind west-southwest around 12 mph, gusting to 20 mph, in the evening, becoming 15 mph, gusting to 22 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Dense overcast. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 16°. Wind southwest around 13 mph, gusting to 20 mph, in the morning, becoming 16 mph, gusting to 23 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Low 12°. Wind southwest around 15 mph, gusting to 23 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain. High 18°. Wind west around 16 mph, gusting to 25 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Cloudy. A slight chance of rain after midnight. Low 12°. Wind west around 9 mph, gusting to 20 mph, in the evening, becoming southwest after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
Mostly cloudy to cloudy. A slight chance of rain. High 21°. Wind southwest around 15 mph, gusting to 23 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Mostly clear. Light to moderate fog. Low 11°. Wind west around 9 mph, gusting to 19 mph, in the evening, becoming 3 mph after midnight.
Friday
 
Partly to mostly 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. High 22°. UV index up to 4. Wind south-southwest around 2 mph in the morning, becoming 6 mph in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Partly cloudy. Low 10°. Wind south-southwest around 4 mph in the evening, becoming south-southeast near calm after midnight.
Saturday
 
Mostly cloudy to cloudy. A slight chance of rain. Scattered thundershowers possible. High 23°. UV index up to 6. Wind southeast around 6 mph, gusting to 15 mph, in the morning, becoming 10 mph, gusting to 17 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Cloudy in the evening, becoming fair to partly cloudy after midnight. Moderate fog after midnight. A slight chance of rain. Scattered thundershowers possible. Low 12°. Wind west around 7 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.

WXSIM forecast formatting script by Saratoga-Weather.org.

 
 
 
 
Forecast
 
Trends
             
 
 
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.