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, 18-Sep-2025 03:00 am
 
Rest of
tonight
Fog
Fog
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Mostly Cloudy
Mostly Cloudy
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Partly Cloudy
Partly Cloudy
Sunday
night
Chance rain
Chance rain
Monday

Rain likely
Rain likely
Monday
night
Fog late
Fog late
Tuesday

Fog a.m.
Fog a.m.
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Sunny
Sunny
Wednesday
night
Clear
Clear
Thursday

Sunny
Sunny
Thursday
night
Clear
Clear
Friday

Mostly Sunny
Mostly Sunny
<2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <5 mm. <5 mm. <2 mm.
Low: 17° High: 23° Low: 14° High: 26° Low: 13° High: 23° Low: 15° High: 21° Low: 13° High: 17° Low: 12° High: 16° Low: 9° High: 17° Low: 6° High: 18° Low: 7° High: 18°
                                   
SSW
11-19
mph
Fresh breeze
SSW
14-24
mph
Fresh breeze
SSW
8-19→5
mph
Fresh breeze
SSW
5-16→8-17
mph
Moderate breeze
SSW
calm

Calm
SSW
2→8-18
mph
Moderate breeze
SE→SW
7-15
mph
Moderate breeze
S
7-19→10-21
mph
Fresh breeze
ESE→NE
4
mph
Light breeze
NE
11-20
mph
Fresh breeze
NE
11-20
mph
Fresh breeze
NE
9-18
mph
Moderate breeze
NNE
4
mph
Light breeze
NNE
5
mph
Light breeze
NNE
2
mph
Light air
NNE
2
mph
Light air
NNE
2
mph
Light air
NE
5
mph
Light breeze
UV: 4
 Medium 

 

Rest of tonight
 
Cloudy. Patchy light fog. A slight chance of rain. Low 17°. Wind south-southwest around 11 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 23°. Wind south-southwest around 14 mph, gusting to 24 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Mostly cloudy. Low 14°. Wind south-southwest around 8 mph, gusting to 19 mph, in the evening, becoming 5 mph after midnight.
Friday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. High 26°. UV index up to 4. Wind south-southwest around 5 mph, gusting to 16 mph, in the morning, becoming 8 mph, gusting to 17 mph, in the afternoon.
Friday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 13°. Wind south-southwest near calm.
Saturday
 
Mostly cloudy to cloudy. A slight chance of rain. High 23°. Wind south-southwest around 2 mph in the morning, becoming 8 mph, gusting to 18 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Low 15°. Wind southeast around 7 mph, gusting to 15 mph, in the evening, becoming southwest after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Sunday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. A slight chance of rain. High 21°. Wind south around 7 mph, gusting to 19 mph, in the morning, becoming 10 mph, gusting to 21 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 13°. Wind east-southeast around 4 mph in the evening, becoming northeast after midnight. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Monday
 
Mostly cloudy to cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog in the morning. Rain likely. Precipitation showery or intermittent. High 17°. Wind northeast around 11 mph, gusting to 20 mph. Chance of precipitation 60 percent. Precipitation mostly between 2 and 5 mm.
Monday night
 
Cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Low 12°. Wind northeast around 11 mph, gusting to 20 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Partly cloudy. Patchy light fog in the morning. High 16°. Wind northeast around 9 mph, gusting to 18 mph.
Tuesday night
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Low 9°. Wind north-northeast around 4 mph.
Wednesday
 
Sunny. High 17°. Wind north-northeast around 5 mph.
Wednesday night
 
Clear. Low 6°. Wind north-northeast around 2 mph.
Thursday
 
Sunny. High 18°. Wind north-northeast around 2 mph.
Thursday night
 
Clear in the evening, becoming fair after midnight. Low 7°. Wind north-northeast around 2 mph.
Friday
 
Partly to mostly sunny in the morning, becoming sunny in the afternoon. High 18°. Wind northeast around 5 mph.
Friday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 11°. Wind northeast around 5 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.