| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Wednesday, 19-Aug-2026 06:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Today |
Cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain. High 23°. Wind southwest around 6 mph in the morning, becoming 10 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Tonight |
Clear in the evening, becoming fair after midnight. Light to moderate fog in the evening, then moderate fog after midnight. Low 12°. Wind west around 8 mph, gusting to 19 mph. |
| Thursday |
Partly cloudy in the morning, becoming cloudy in the afternoon. Moderate fog in the morning. A slight chance of rain. High 18°. Wind west around 10 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Thursday night |
Fair to partly cloudy in the evening, becoming mostly clear after midnight. Patchy light fog after midnight. A slight chance of rain. Cool. Low 10°. Wind northwest around 7 mph, gusting to 15 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday |
Partly to mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. High 21°. UV index up to 4. Wind north-northwest around 7 mph, gusting to 16 mph. |
| Friday night |
Partly to mostly cloudy in the evening, becoming fair after midnight. Cool. Low 10°. Wind northeast around 5 mph. |
| Saturday |
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. High 22°. Wind northeast around 4 mph in the morning, becoming south in the afternoon. |
| Saturday night |
Partly cloudy in the evening, becoming clear after midnight. Cool. Low 9°. Wind southwest around 4 mph in the evening, becoming north-northwest after midnight. |
| Sunday |
Sunny. High 23°. UV index up to 4. Wind north-northeast around 4 mph. |
| Sunday night |
Mostly clear in the evening, becoming fair after midnight. Low 10°. Wind south-southeast around 4 mph in the evening, becoming east-northeast after midnight. |
| Monday |
Partly to mostly sunny in the morning, becoming mostly cloudy in the afternoon. Breezy. High 23°. UV index up to 4. Wind east-northeast around 10 mph, gusting to 21 mph, in the morning, becoming 14 mph, gusting to 21 mph, in the afternoon. |
| Monday night |
Cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain after midnight. Breezy. Low 16°. Wind east-northeast around 13 mph, gusting to 20 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday |
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. Rain likely in the morning, then a chance of rain in the afternoon. Breezy. High 20°. Wind east around 12 mph, gusting to 20 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm. |
| Tuesday night |
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 15°. Wind east around 6 mph, gusting to 17 mph, in the evening, becoming west-southwest after midnight. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Dense overcast. Rain likely in the morning, then a chance of rain in the afternoon. Breezy. High 17°. Wind southwest around 12 mph, gusting to 19 mph. Chance of precipitation 80 percent. Precipitation mostly around 10 mm. |
| Wednesday night |
Dense overcast in the evening, becoming cloudy after midnight. A slight chance of rain. Low 15°. Wind south-southwest around 6 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Thursday |
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 20°. Wind west around 9 mph, gusting to 18 mph, in the morning, becoming 12 mph, gusting to 20 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Thursday night |
Mostly cloudy in the evening, becoming clear after midnight. A slight chance of rain. Low 11°. Wind west around 5 mph, gusting to 16 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.