| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Tuesday, 25-Aug-2026 03:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| This afternoon |
Fair to partly cloudy. Unusually hot. High 29°. Wind southeast around 10 mph, gusting to 22 mph. |
| Tonight |
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. Light to moderate fog after midnight. A slight chance of rain in the evening, then rain likely after midnight. Precipitation showery or intermittent. Low 16°. Wind east around 7 mph, gusting to 17 mph, in the evening, becoming 3 mph after midnight. Chance of precipitation 70 percent. Precipitation mostly around 10 mm. |
| Wednesday |
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. Moderate fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. Precipitation showery or intermittent. Warm. High 24°. Wind south-southeast around 4 mph in the morning, becoming 7 mph, gusting to 16 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm. |
| Wednesday night |
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Precipitation showery or intermittent. Low 17°. Wind southeast around 4 mph in the evening, becoming east after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm. |
| Thursday |
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. Precipitation showery or intermittent. High 22°. Wind south-southwest around 6 mph in the morning, becoming 11 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm. |
| Thursday night |
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain after midnight. Low 14°. Wind southwest around 5 mph, gusting to 16 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday |
Partly to mostly sunny in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain in the afternoon. High 22°. Wind southwest around 7 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday night |
Partly cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain after midnight. Low 15°. Wind west-southwest around 5 mph in the evening, becoming 8 mph, gusting to 17 mph, after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Mostly cloudy to cloudy in the morning, becoming sunny in the afternoon. A chance of rain. Breezy. High 23°. UV index up to 5. Wind west-southwest around 15 mph, gusting to 25 mph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm. |
| Saturday night |
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Low 16°. Wind west-southwest around 11 mph, gusting to 22 mph, in the evening, becoming 7 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Sunday |
Cloudy in the morning, becoming mostly 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. Precipitation showery or intermittent. Breezy. High 20°. Wind southwest around 9 mph, gusting to 21 mph, in the morning, becoming 16 mph, gusting to 23 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Sunday night |
Fair in the evening, becoming partly cloudy after midnight. A slight chance of rain after midnight. Breezy. Low 15°. Wind southwest around 14 mph, gusting to 22 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Monday |
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. Breezy. High 20°. Wind west around 16 mph, gusting to 24 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Monday night |
Fair to partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 13°. Wind west around 8 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday |
Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain. Breezy. High 18°. Wind west-southwest around 11 mph, gusting to 22 mph, in the morning, becoming 17 mph, gusting to 24 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Cloudy. A chance of rain. Breezy. Low 15°. Wind southwest around 16 mph, gusting to 23 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. Windy. High 19°. Wind southwest around 17 mph, gusting to 26 mph, in the morning, becoming west in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday night |
Mostly cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain after midnight. Low 13°. Wind west around 9 mph, gusting to 21 mph, in the evening, becoming southwest around 5 mph after midnight. 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.