| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Wednesday, 02-Sep-2026 02:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| This afternoon |
Cloudy. A slight chance of rain. Breezy. High 21°. Wind south-southwest around 12 mph, gusting to 22 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tonight |
Mostly cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain. Low 16°. Wind south-southwest around 11 mph, gusting to 20 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Thursday |
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. A slight chance of rain. Breezy and warm. High 24°. UV index up to 5. Wind west-southwest around 13 mph, gusting to 23 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Thursday night |
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain after midnight. Breezy. Low 17°. Wind west around 13 mph, gusting to 21 mph, in the evening, becoming 17 mph, gusting to 23 mph, after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday |
Mostly cloudy. A slight chance of rain. Breezy and warm. High 23°. Wind west around 14 mph, gusting to 24 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Friday night |
Cloudy. Low 15°. Wind west around 10 mph, gusting to 22 mph, in the evening, becoming 5 mph after midnight. |
| Saturday |
Mostly cloudy to cloudy in the morning, becoming partly to mostly sunny in the afternoon. Warm. High 22°. UV index up to 5. Wind west around 4 mph. |
| Saturday night |
Fair in the evening, becoming mostly cloudy after midnight. Low 12°. Wind southwest around 3 mph in the evening, becoming east after midnight. |
| Sunday |
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. Warm. High 25°. Wind east-southeast around 9 mph, gusting to 18 mph. |
| Sunday night |
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. A chance of rain. Low 15°. Wind south-southeast around 5 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Monday |
Mostly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the afternoon. Breezy. High 22°. Wind west-southwest around 8 mph, gusting to 21 mph, in the morning, becoming 15 mph, gusting to 24 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Monday night |
Mostly cloudy to cloudy in the evening, becoming fair to partly cloudy after midnight. A slight chance of rain. Low 13°. Wind west-southwest around 10 mph, gusting to 22 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday |
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. Breezy. High 20°. Wind west-southwest around 11 mph, gusting to 23 mph, in the morning, becoming 15 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm. |
| Tuesday night |
Fair to partly cloudy. Patchy light fog after midnight. Low 11°. Wind west around 9 mph, gusting to 20 mph. |
| Wednesday |
Partly cloudy. Breezy. High 20°. Wind west around 12 mph, gusting to 22 mph. |
| Wednesday night |
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then rain likely after midnight. Low 10°. Wind west around 8 mph, gusting to 19 mph, in the evening, becoming south-southwest around 4 mph after midnight. Chance of precipitation 70 percent. Precipitation mostly around 30 mm. |
| Thursday |
Cloudy. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 18°. Wind east around 7 mph, gusting to 15 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm. |
| Thursday night |
Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 12°. Wind north around 2 mph. |
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.