| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Sunday, 16-Aug-2026 10:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| This afternoon |
Mostly cloudy to cloudy. A slight chance of rain. Warm. High 24°. Wind west-southwest around 5 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tonight |
Mostly cloudy to cloudy. Low 16°. Wind west around 6 mph in the evening, becoming northwest after midnight. |
| Monday |
Mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Warm. High 25°. UV index up to 5. Wind northwest around 5 mph in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon. |
| Monday night |
Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. Low 15°. Wind northwest around 7 mph, gusting to 16 mph. |
| Tuesday |
Dense overcast in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 24°. Wind west around 7 mph, gusting to 15 mph, in the morning, becoming 12 mph, gusting to 21 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Low 17°. Wind west around 9 mph, gusting to 19 mph, in the evening, becoming 6 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Sunny. Breezy. High 23°. UV index up to 5. Wind west around 12 mph, gusting to 22 mph. |
| Wednesday night |
Fair. Low 12°. Wind west around 10 mph, gusting to 22 mph. |
| Thursday |
Mostly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain. Precipitation showery or intermittent. Breezy. High 18°. Wind west around 12 mph, gusting to 21 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. Low 10°. Wind west-northwest around 10 mph, gusting to 19 mph, in the evening, becoming 6 mph after midnight. |
| Friday |
Mostly sunny in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain in the afternoon. High 20°. Wind northwest around 5 mph in the morning, becoming west in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday night |
Mostly cloudy. A slight chance of rain. Low 11°. Wind west around 3 mph in the evening, becoming north after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 20°. Wind northeast around 7 mph, gusting to 15 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Saturday night |
Partly cloudy in the evening, becoming fair after midnight. Light to moderate fog after midnight. A slight chance of rain. Low 11°. Wind east-northeast around 4 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Sunday |
Sunny. Light to moderate fog in the morning. High 22°. UV index up to 4. Wind north around 6 mph. |
| Sunday night |
Mostly clear in the evening, becoming clear after midnight. Low 11°. Wind north around 5 mph. |
| Monday |
Sunny in the morning, becoming mostly sunny in the afternoon. High 22°. UV index up to 4. Wind north-northeast around 8 mph, gusting to 17 mph. |
| Monday night |
Partly cloudy in the evening, becoming clear after midnight. Low 10°. Wind northeast around 11 mph, gusting to 18 mph, in the evening, becoming 6 mph after midnight. |
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.