| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Sunday, 16-Aug-2026 02:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Rest of tonight |
Cloudy. Warm. Low 19°. Wind north-northeast around 3 mph. |
| Sunday |
Cloudy. Warm. High 25°. Wind north-northeast around 3 mph in the morning, becoming west-southwest around 7 mph, gusting to 17 mph, in the afternoon. |
| Sunday night |
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Low 18°. Wind west-southwest around 6 mph in the evening, becoming west-northwest after midnight. |
| Monday |
Mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. A slight chance of rain. Warm. High 26°. UV index up to 6. Wind west-northwest around 5 mph in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Monday night |
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 17°. Wind west-northwest around 7 mph, gusting to 17 mph. |
| Tuesday |
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. High 24°. Wind west-northwest around 8 mph, gusting to 17 mph, in the morning, becoming 13 mph, gusting to 22 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Mostly cloudy in the evening, becoming cloudy after midnight. A chance of rain after midnight. Low 15°. Wind west around 10 mph, gusting to 19 mph, in the evening, becoming 6 mph after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm. |
| Wednesday |
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 21°. Wind west around 6 mph, gusting to 19 mph, in the morning, becoming 12 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Wednesday night |
Clear in the evening, becoming partly cloudy after midnight. Low 13°. Wind west around 8 mph, gusting to 20 mph. |
| Thursday |
Partly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. High 21°. Wind west-southwest around 10 mph, gusting to 20 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Thursday night |
Partly to mostly cloudy in the evening, becoming mostly clear after midnight. A slight chance of rain. Low 11°. Wind west-southwest around 8 mph, gusting to 18 mph, in the evening, becoming west-northwest around 4 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday |
Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the afternoon. Scattered thundershowers possible. High 22°. Wind northwest around 3 mph in the morning, becoming southwest in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday night |
Dense overcast. A slight chance of rain in the evening, then a chance of rain after midnight. Scattered thundershowers possible. Low 13°. Wind south-southwest around 2 mph in the evening, becoming east around 6 mph after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm. |
| Saturday |
Dense overcast. Patchy light fog. Rain very likely. Cool. High 16°. Wind east around 9 mph, gusting to 17 mph. Chance of precipitation 80 percent. Precipitation mostly around 30 mm. |
| Saturday night |
Cloudy. A chance of rain. Low 14°. Wind northeast around 11 mph, gusting to 17 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm. |
| Sunday |
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain. Breezy. High 21°. Wind northeast around 12 mph, gusting to 20 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Sunday night |
Mostly cloudy to cloudy. A slight chance of rain after midnight. Breezy. Low 14°. Wind northeast around 11 mph, gusting to 18 mph, in the evening, becoming 14 mph, gusting to 22 mph, after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Monday |
Dense overcast. Rain likely in the morning, then a chance of rain in the afternoon. Breezy and cool. High 15°. Wind northeast around 14 mph, gusting to 23 mph. Chance of precipitation 70 percent. Precipitation mostly around 20 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.