| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Wednesday, 12-Aug-2026 02:09 am | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Rest of tonight |
Fair to partly cloudy. Low 12°. Wind east-northeast around 5 mph. |
| Wednesday |
Sunny. Unusually hot. High 29°. UV index up to 6. Wind east-southeast around 7 mph. |
| Wednesday night |
Clear. Low 14°. Wind east-southeast around 4 mph in the evening, becoming east-northeast after midnight. |
| Thursday |
Sunny. Unusually hot. High 32°. UV index up to 6. Wind east-northeast around 4 mph in the morning, becoming south-southeast around 10 mph, gusting to 18 mph, in the afternoon. |
| Thursday night |
Clear in the evening, becoming partly cloudy after midnight. Low 16°. Wind west around 5 mph. |
| Friday |
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain in the afternoon. Warm. High 27°. Wind west-northwest around 6 mph, gusting to 15 mph, in the morning, becoming 10 mph, gusting to 16 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday night |
Partly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Precipitation showery or intermittent. Low 17°. Wind northwest around 10 mph, gusting to 16 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Cloudy in the morning, becoming partly cloudy in the afternoon. Warm. High 25°. UV index up to 4. Wind north-northwest around 10 mph, gusting to 17 mph. |
| Saturday night |
Clear. Patchy light fog after midnight. Low 12°. Wind north-northwest around 11 mph, gusting to 16 mph, in the evening, becoming 6 mph after midnight. |
| Sunday |
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. High 24°. UV index up to 4. Wind north-northeast around 4 mph in the morning, becoming west in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Sunday night |
Mostly clear in the evening, becoming mostly cloudy after midnight. Low 13°. Wind south-southwest around 4 mph. |
| Monday |
Cloudy in the morning, becoming dense overcast in the afternoon. A chance of rain. High 20°. Wind south around 4 mph in the morning, becoming north-northwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Monday night |
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain. Low 12°. Wind north-northwest around 4 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday |
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. High 24°. UV index up to 6. Wind west-northwest around 5 mph in the morning, becoming 8 mph, gusting to 17 mph, in the afternoon. |
| Tuesday night |
Mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain. Low 16°. Wind west-southwest around 9 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Cloudy. A slight chance of rain. Breezy. High 20°. Wind west-southwest around 10 mph, gusting to 19 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. |
| Wednesday night |
Cloudy in the evening, becoming dense overcast after midnight. A chance of rain. Precipitation showery or intermittent. Breezy. Low 16°. Wind west-southwest around 12 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Thursday |
Mostly cloudy to cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. Scattered thundershowers possible. Breezy. High 22°. Wind west around 12 mph, gusting to 21 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.