| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Friday, 14-Aug-2026 03:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Rest of tonight |
Mostly clear. Low 18°. Wind northwest around 3 mph. |
| Friday |
Sunny in the morning, becoming partly to mostly sunny in the afternoon. Unusually hot. High 30°. UV index up to 6. Wind west-northwest around 4 mph in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon. |
| Friday night |
Mostly cloudy in the evening, becoming partly cloudy after midnight. Low 16°. Wind west around 10 mph, gusting to 17 mph, in the evening, becoming north-northwest after midnight. |
| Saturday |
Sunny in the morning, becoming partly to mostly sunny in the afternoon. Warm. High 26°. UV index up to 6. Wind north-northwest around 11 mph, gusting to 20 mph. |
| Saturday night |
Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. Low 15°. Wind north-northwest around 8 mph, gusting to 16 mph. |
| Sunday |
Cloudy. High 23°. Wind north around 7 mph, gusting to 16 mph. |
| Sunday night |
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 15°. Wind northwest around 3 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Monday |
Mostly cloudy to cloudy. High 24°. UV index up to 5. Wind north-northwest around 5 mph in the morning, becoming west in the afternoon. |
| Monday night |
Mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Low 15°. Wind west-southwest around 6 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday |
Dense overcast in the morning, becoming cloudy in the afternoon. A slight chance of rain. High 21°. Wind west-southwest around 8 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Partly to mostly cloudy. A slight chance of rain. Low 15°. Wind west around 10 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. High 22°. Wind west-northwest around 7 mph, gusting to 16 mph, in the morning, becoming 11 mph, gusting to 18 mph, in the afternoon. |
| Wednesday night |
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 12°. Wind west around 8 mph, gusting to 16 mph, in the evening, becoming 5 mph after midnight. |
| Thursday |
Sunny in the morning, becoming partly to mostly cloudy in the afternoon. Breezy. High 22°. Wind west around 9 mph, gusting to 21 mph, in the morning, becoming 14 mph, gusting to 22 mph, in the afternoon. |
| Thursday night |
Mostly clear in the evening, becoming partly cloudy after midnight. Low 11°. Wind west around 9 mph, gusting to 19 mph, in the evening, becoming 4 mph after midnight. |
| Friday |
Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain in the afternoon. Scattered thundershowers possible. High 21°. Wind west-northwest around 2 mph in the morning, becoming southwest around 6 mph in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday night |
Cloudy. A chance of rain. Scattered thundershowers possible. Low 12°. Wind west-northwest around 3 mph in the evening, becoming north-northwest after midnight. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Mostly cloudy. A chance of rain in the morning, then rain likely in the afternoon. Scattered thunderstorms likely. High 21°. Wind north around 6 mph in the morning, becoming northeast in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 10 mm. |
| Saturday night |
Cloudy. Patchy light fog in the evening. A chance of rain in the evening, then a slight chance of rain after midnight. Scattered thunderstorms likely. Low 15°. Wind northeast around 4 mph. Chance of precipitation 50 percent. Precipitation mostly around 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.