| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Saturday, 15-Aug-2026 05:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Today |
Partly to mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. Unusually hot. High 28°. UV index up to 5. Wind north-northeast around 10 mph, gusting to 20 mph. |
| Tonight |
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Low 17°. Wind north-northeast around 5 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Sunday |
Mostly cloudy. Warm. High 26°. Wind north around 5 mph in the morning, becoming northwest in the afternoon. |
| Sunday night |
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 16°. Wind northwest around 4 mph. |
| Monday |
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Warm. High 25°. UV index up to 4. Wind northwest around 5 mph, gusting to 15 mph, in the morning, becoming 8 mph, gusting to 16 mph, in the afternoon. |
| Monday night |
Fair to partly cloudy in the evening, becoming fair after midnight. Low 13°. Wind west-northwest around 7 mph, gusting to 15 mph. |
| Tuesday |
Cloudy. A slight chance of rain. High 22°. Wind west around 10 mph, gusting to 17 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Partly cloudy in the evening, becoming dense overcast after midnight. A chance of rain after midnight. Low 16°. Wind west-northwest around 7 mph, gusting to 16 mph, in the evening, becoming 4 mph after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm. |
| Wednesday |
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 22°. Wind northwest around 6 mph, gusting to 16 mph, in the morning, becoming 10 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Wednesday night |
Mostly clear. Low 12°. Wind west-northwest around 11 mph, gusting to 20 mph, in the evening, becoming 7 mph after midnight. |
| Thursday |
Partly to mostly sunny in the morning, becoming cloudy in the afternoon. A slight chance of rain in the afternoon. Precipitation showery or intermittent. Breezy. High 21°. Wind southwest around 12 mph, gusting to 24 mph, in the morning, becoming 15 mph, gusting to 24 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Thursday night |
Partly to mostly cloudy in the evening, becoming clear after midnight. Low 11°. Wind west-southwest around 9 mph, gusting to 21 mph, in the evening, becoming 4 mph after midnight. |
| Friday |
Mostly sunny in the morning, becoming cloudy in the afternoon. A slight chance of rain in the afternoon. Scattered thundershowers possible. High 22°. Wind north around 4 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday night |
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A slight chance of rain. Precipitation showery or intermittent. Low 15°. Wind northeast around 4 mph in the evening, becoming 8 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. Breezy. High 22°. Wind northeast around 11 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Saturday night |
Cloudy in the evening, becoming mostly cloudy after midnight. Low 13°. Wind northeast around 10 mph, gusting to 19 mph. |
| Sunday |
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the afternoon. Breezy. High 20°. Wind north-northeast around 13 mph, gusting to 23 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Sunday night |
Dense overcast. A slight chance of rain in the evening, then a chance of rain after midnight. Low 13°. Wind east-northeast around 10 mph, gusting to 18 mph, in the evening, becoming north-northeast after midnight. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm. |
WXSIM forecast formatting script by Saratoga-Weather.org.
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