| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Thursday, 20-Aug-2026 06:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Today |
Partly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain. Scattered thundershowers possible. High 20°. Wind west-southwest around 11 mph, gusting to 21 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Tonight |
Partly to mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Low 11°. Wind northwest around 7 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday |
Partly to mostly sunny in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the afternoon. Precipitation showery or intermittent. High 21°. Wind north-northeast around 7 mph, gusting to 17 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday night |
Fair to partly cloudy in the evening, becoming clear after midnight. Low 10°. Wind north-northeast around 5 mph. |
| Saturday |
Sunny in the morning, becoming mostly sunny in the afternoon. High 22°. UV index up to 4. Wind north-northeast around 5 mph. |
| Saturday night |
Partly cloudy in the evening, becoming clear after midnight. Low 10°. Wind west around 4 mph in the evening, becoming north-northeast after midnight. |
| Sunday |
Sunny. Warm. High 24°. UV index up to 5. Wind north-northeast around 3 mph in the morning, becoming west-southwest in the afternoon. |
| Sunday night |
Clear. Low 10°. Wind southwest around 3 mph in the evening, becoming east-northeast after midnight. |
| Monday |
Sunny in the morning, becoming partly cloudy in the afternoon. High 23°. UV index up to 5. Wind east-northeast around 8 mph, gusting to 19 mph, in the morning, becoming 13 mph, gusting to 21 mph, in the afternoon. |
| Monday night |
Mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain. Breezy. Low 16°. Wind east-northeast around 13 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday |
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. Warm. High 25°. Wind east around 10 mph, gusting to 17 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Low 16°. Wind east-southeast around 4 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. Scattered thundershowers possible. Warm. High 24°. Wind south around 7 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Wednesday night |
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog. Rain likely in the evening, then a chance of rain after midnight. Scattered thundershowers possible. Low 17°. Wind east-southeast around 5 mph in the evening, becoming south after midnight. Chance of precipitation 80 percent. Precipitation mostly around 10 mm. |
| Thursday |
Cloudy. A chance of rain. Scattered thunderstorms likely. High 21°. Wind southwest around 11 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Thursday night |
Partly cloudy. A slight chance of rain. Scattered thundershowers possible. Low 13°. Wind southwest around 6 mph, gusting to 18 mph, in the evening, becoming 2 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday |
Partly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the afternoon. Precipitation showery or intermittent. High 23°. Wind west-southwest around 5 mph, gusting to 17 mph, in the morning, becoming 11 mph, gusting to 19 mph, in the afternoon. 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. Patchy light fog. A slight chance of rain. Breezy. Low 12°. Wind west around 11 mph, gusting to 19 mph. Chance of precipitation less than 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.