| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Friday, 21-Aug-2026 07:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Today |
Mostly sunny in the morning, becoming cloudy in the afternoon. A slight chance of rain in the afternoon. Precipitation showery or intermittent. High 21°. Wind north around 6 mph, gusting to 16 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tonight |
Mostly cloudy in the evening, becoming clear after midnight. Patchy light fog after midnight. Low 10°. Wind north around 6 mph. |
| Saturday |
Sunny in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. High 22°. UV index up to 4. Wind north-northeast around 7 mph, gusting to 17 mph. |
| Saturday night |
Mostly cloudy to cloudy in the evening, becoming fair to partly cloudy after midnight. Low 10°. Wind south near calm in the evening, becoming southeast after midnight. |
| Sunday |
Sunny. High 23°. UV index up to 4. Wind south near calm in the morning, becoming 5 mph in the afternoon. |
| Sunday night |
Clear in the evening, becoming partly to mostly cloudy after midnight. Low 11°. Wind south-southeast around 4 mph in the evening, becoming east-northeast after midnight. |
| Monday |
Mostly cloudy. Breezy. High 22°. UV index up to 4. Wind east-northeast around 10 mph, gusting to 21 mph, in the morning, becoming 15 mph, gusting to 23 mph, in the afternoon. |
| Monday night |
Cloudy. Breezy. Low 16°. Wind east-northeast around 12 mph, gusting to 19 mph. |
| Tuesday |
Cloudy in the morning, becoming partly cloudy in the afternoon. A slight chance of rain. Warm. High 25°. UV index up to 4. Wind east-northeast around 5 mph in the morning, becoming southeast in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 15°. Wind south around 4 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A chance of rain in the afternoon. Precipitation showery or intermittent. High 23°. Wind south around 6 mph, gusting to 15 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Wednesday night |
Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. A chance of rain after midnight. Low 15°. Wind south-southeast around 3 mph. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm. |
| Thursday |
Dense overcast. Patchy light fog in the morning. Rain very likely. Precipitation showery or intermittent. High 18°. Wind northwest around 6 mph, gusting to 18 mph, in the morning, becoming west-southwest around 13 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 90 percent. Precipitation mostly over 60 mm. |
| Thursday night |
Dense overcast in the evening, becoming cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Precipitation showery or intermittent. Low 15°. Wind west-southwest around 8 mph in the evening, becoming 11 mph, gusting to 17 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Friday |
Dense overcast in the morning, becoming cloudy in the afternoon. A chance of rain. Windy. High 17°. Wind west-southwest around 15 mph, gusting to 24 mph, in the morning, becoming 18 mph, gusting to 25 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around 2 mm. |
| Friday night |
Cloudy in the evening, becoming fair after midnight. A slight chance of rain. Low 13°. Wind west-southwest around 10 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain. High 20°. Wind west-southwest around 11 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Saturday night |
Cloudy. A slight chance of rain. Low 15°. Wind west-southwest around 7 mph, gusting to 16 mph, in the evening, becoming 3 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
WXSIM forecast formatting script by Saratoga-Weather.org.
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.