| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Sunday, 16-Aug-2026 11:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Rest of tonight |
Cloudy. Low 17°. Wind northwest around 5 mph. |
| Monday |
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. A slight chance of rain. Warm. High 26°. UV index up to 5. Wind northwest around 5 mph, gusting to 15 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 cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain after midnight. Low 16°. Wind northwest around 7 mph, gusting to 17 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday |
Dense overcast in the morning, becoming cloudy in the afternoon. A slight chance of rain. High 23°. Wind west around 7 mph, gusting to 16 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. |
| Tuesday night |
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain. Low 17°. Wind west around 9 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. A slight chance of rain. Breezy. High 23°. UV index up to 5. Wind west around 10 mph, gusting to 21 mph, in the morning, becoming 14 mph, gusting to 25 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday night |
Partly to mostly cloudy in the evening, becoming fair after midnight. Moderate fog after midnight. A slight chance of rain. Precipitation showery or intermittent. Low 12°. Wind west-southwest around 8 mph, gusting to 22 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Thursday |
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. Moderate fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. Precipitation showery or intermittent. High 20°. Wind west-southwest around 10 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Thursday night |
Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Low 12°. Wind west-southwest around 7 mph, gusting to 16 mph, in the evening, becoming north-northwest after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday |
Mostly cloudy to cloudy. A slight chance of rain. Precipitation showery or intermittent. High 21°. Wind north-northwest around 6 mph in the morning, becoming west-northwest in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Friday night |
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Low 12°. Wind southwest around 2 mph in the evening, becoming east-northeast after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. High 22°. Wind east-southeast around 3 mph in the morning, becoming south-southeast in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Saturday night |
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 13°. Wind east-southeast around 3 mph in the evening, becoming east-northeast after midnight. |
| Sunday |
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Warm. High 25°. UV index up to 4. Wind east around 5 mph. |
| Sunday night |
Fair to partly cloudy in the evening, becoming fair after midnight. Low 11°. Wind east-southeast around 3 mph in the evening, becoming north-northeast around 6 mph after midnight. |
| Monday |
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 23°. Wind north-northeast around 8 mph, gusting to 15 mph. |
| Monday night |
Dense overcast. A chance of rain in the evening, then a slight chance of rain after midnight. Low 15°. Wind east-northeast around 4 mph in the evening, becoming 9 mph after midnight. 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.