| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Wednesday, 19-Aug-2026 04:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Today |
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. High 22°. Wind west-southwest around 6 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. |
| Tonight |
Mostly clear in the evening, becoming fair after midnight. Low 13°. Wind west-southwest around 7 mph, gusting to 20 mph. |
| Thursday |
Partly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. Precipitation showery or intermittent. High 21°. Wind west-southwest around 9 mph, gusting to 21 mph, in the morning, becoming 13 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Thursday night |
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain. Low 12°. Wind west-northwest around 8 mph, gusting to 19 mph, in the evening, becoming north after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday |
Mostly cloudy. A slight chance of rain in the afternoon. High 22°. Wind north around 9 mph, gusting to 17 mph, in the morning, becoming 5 mph, gusting to 16 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday night |
Mostly cloudy. Low 12°. Wind north-northeast around 2 mph in the evening, becoming 6 mph after midnight. |
| Saturday |
Partly to mostly sunny in the morning, becoming cloudy in the afternoon. High 22°. Wind north-northeast around 6 mph, gusting to 16 mph. |
| Saturday night |
Partly cloudy in the evening, becoming fair after midnight. Low 10°. Wind north-northeast around 3 mph. |
| Sunday |
Sunny. High 23°. UV index up to 4. Wind east-northeast around 6 mph. |
| Sunday night |
Clear in the evening, becoming fair after midnight. Cool. Low 10°. Wind south-southeast around 4 mph in the evening, becoming east-northeast after midnight. |
| Monday |
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. High 21°. Wind east-northeast around 9 mph, gusting to 19 mph, in the morning, becoming 13 mph, gusting to 20 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Monday night |
Dense overcast. Patchy light fog after midnight. A chance of rain in the evening, then rain likely after midnight. Low 12°. Wind northeast around 10 mph, gusting to 17 mph. Chance of precipitation 80 percent. Precipitation mostly around 30 mm. |
| Tuesday |
Dense overcast. Patchy light fog. Rain likely. Cool. High 16°. Wind north around 9 mph, gusting to 16 mph. Chance of precipitation 80 percent. Precipitation mostly around 20 mm. |
| Tuesday night |
Dense overcast in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 13°. Wind west-northwest around 4 mph in the evening, becoming west-southwest after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Mostly cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 19°. Wind south around 9 mph, gusting to 18 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm. |
| Wednesday night |
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog in the evening. A chance of rain in the evening, then a slight chance of rain after midnight. Low 14°. Wind southwest around 5 mph in the evening, becoming west-northwest around 2 mph after midnight. Chance of precipitation 50 percent. Precipitation mostly around 2 mm. |
| Thursday |
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. Precipitation showery or intermittent. High 20°. Wind west-southwest around 4 mph in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Thursday night |
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Precipitation showery or intermittent. Low 13°. Wind west-southwest around 6 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 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.