| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Tuesday, 01-Sep-2026 03:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Rest of tonight |
Fair to partly cloudy. Low 11°. Wind west-southwest around 3 mph. |
| Tuesday |
Partly to mostly cloudy. A slight chance of rain. High 22°. UV index up to 4. Wind west-southwest around 5 mph, gusting to 16 mph, in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Cloudy. Low 15°. Wind west-southwest around 4 mph, gusting to 16 mph. |
| Wednesday |
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. Warm. High 23°. Wind southwest around 6 mph, gusting to 17 mph, in the morning, becoming 11 mph, gusting to 22 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday night |
Mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A slight chance of rain after midnight. Low 15°. Wind southwest around 10 mph, gusting to 20 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Thursday |
Cloudy. Patchy light fog in the morning. A slight chance of rain. Breezy. High 20°. Wind southwest around 10 mph, gusting to 18 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. |
| Thursday night |
Partly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain after midnight. Breezy. Low 15°. Wind southwest around 13 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday |
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. Breezy. High 23°. Wind west-southwest around 11 mph, gusting to 20 mph, in the morning, becoming 15 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Friday night |
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 11°. Wind west-northwest around 9 mph, gusting to 21 mph, in the evening, becoming 5 mph after midnight. |
| Saturday |
Partly to mostly sunny. Patchy light fog in the morning. High 22°. UV index up to 5. Wind west-northwest around 6 mph. |
| Saturday night |
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 10°. Wind west-northwest around 2 mph in the evening, becoming north-northeast after midnight. |
| Sunday |
Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. High 22°. Wind southeast around 3 mph in the morning, becoming 8 mph, gusting to 16 mph, in the afternoon. |
| Sunday night |
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Low 11°. Wind southeast around 2 mph. |
| Monday |
Sunny. Unusually warm. High 26°. UV index up to 5. Wind west-southwest around 2 mph in the morning, becoming 7 mph, gusting to 16 mph, in the afternoon. |
| Monday night |
Partly cloudy. Low 12°. Wind west-northwest around 3 mph. |
| Tuesday |
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Warm. High 24°. UV index up to 4. Wind west around 5 mph in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon. |
| Tuesday night |
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Low 15°. Wind west-southwest around 6 mph, gusting to 15 mph. |
| Wednesday |
Mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Breezy and unusually warm. High 26°. UV index up to 5. Wind southwest around 13 mph, gusting to 24 mph, in the morning, becoming 16 mph, gusting to 26 mph, in the afternoon. |
| Wednesday night |
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain. Mild. Low 18°. Wind southwest around 11 mph, gusting to 21 mph. Chance of precipitation 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.