| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Tuesday, 01-Sep-2026 02:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| This afternoon |
Mostly cloudy to cloudy. A slight chance of rain. Warm. High 23°. Wind south-southwest around 9 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tonight |
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 14°. Wind south-southwest around 6 mph, gusting to 17 mph, in the evening, becoming 3 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Cloudy. A slight chance of rain in the afternoon. High 20°. Wind south-southwest around 6 mph, gusting to 17 mph, in the morning, becoming 13 mph, gusting to 22 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 mostly cloudy to cloudy after midnight. A slight chance of rain. Low 14°. Wind southwest around 9 mph, gusting to 20 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Thursday |
Cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. Breezy and warm. High 24°. Wind southwest around 10 mph, gusting to 20 mph, in the morning, becoming 14 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Thursday night |
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Breezy and mild. Low 18°. Wind southwest around 11 mph, gusting to 20 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday |
Cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 22°, but temperatures falling in the afternoon. Wind southwest around 12 mph, gusting to 19 mph, in the morning, becoming west around 9 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm. |
| Friday night |
Partly cloudy. Light to moderate fog. Low 12°. Wind west around 5 mph, gusting to 15 mph. |
| Saturday |
Partly cloudy. Patchy light fog in the morning. High 21°. Wind west-northwest around 4 mph in the morning, becoming west-southwest in the afternoon. |
| Saturday night |
Partly cloudy in the evening, becoming mostly clear after midnight. Low 11°. Wind west-southwest around 2 mph in the evening, becoming south-southeast after midnight. |
| Sunday |
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. Warm. High 23°. UV index up to 4. Wind southeast around 3 mph in the morning, becoming south around 8 mph, gusting to 16 mph, in the afternoon. |
| Sunday night |
Mostly cloudy to cloudy in the evening, becoming partly cloudy after midnight. Low 13°. Wind south around 4 mph. |
| Monday |
Mostly sunny in the morning, becoming partly to mostly sunny in the afternoon. Warm. High 25°. UV index up to 4. Wind southwest around 6 mph, gusting to 17 mph, in the morning, becoming 12 mph, gusting to 20 mph, in the afternoon. |
| Monday night |
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain after midnight. Low 15°. Wind west around 6 mph, gusting to 16 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday |
Partly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the afternoon. Breezy. High 22°. Wind west around 11 mph, gusting to 22 mph, in the morning, becoming 15 mph, gusting to 23 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain. Breezy. Low 14°. Wind west around 14 mph, gusting to 22 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain in the afternoon. Breezy. High 20°. Wind west around 15 mph, gusting to 25 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday night |
Mostly clear in the evening, becoming clear after midnight. Patchy light fog after midnight. Low 11°. Wind west around 11 mph, gusting to 22 mph, in the evening, becoming 7 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.