| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Saturday, 22-Aug-2026 08:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Today |
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. High 22°. UV index up to 4. Wind north-northwest around 6 mph, gusting to 16 mph. |
| Tonight |
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 12°. Wind south around 3 mph in the evening, becoming southeast after midnight. |
| Sunday |
Mostly sunny in the morning, becoming sunny in the afternoon. Warm. High 24°. UV index up to 4. Wind east around 3 mph in the morning, becoming southeast around 7 mph in the afternoon. |
| Sunday night |
Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 13°. Wind southeast around 6 mph in the evening, becoming east-northeast after midnight. |
| Monday |
Mostly cloudy to cloudy. Breezy. High 20°. Wind east-northeast around 13 mph, gusting to 21 mph. |
| Monday night |
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Breezy. Low 14°. Wind east-northeast around 12 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday |
Dense overcast in the morning, becoming mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 23°. UV index up to 4. Wind east around 9 mph, gusting to 16 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm. |
| Tuesday night |
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Low 15°. Wind east around 3 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 23°. Wind south-southeast around 3 mph in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Wednesday night |
Cloudy in the evening, becoming dense overcast after midnight. Light to moderate fog. Rain very likely. Precipitation showery or intermittent. Low 16°. Wind east-southeast around 6 mph. Chance of precipitation 80 percent. Precipitation mostly around 20 mm. |
| Thursday |
Mostly cloudy in the morning, becoming partly to mostly sunny 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. Breezy. High 22°. UV index up to 4. Wind south-southwest around 12 mph, gusting to 23 mph, in the morning, becoming 16 mph, gusting to 25 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Thursday night |
Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog. A slight chance of rain in the evening, then a chance of rain after midnight. Low 15°. Wind south-southwest around 8 mph, gusting to 21 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Friday |
Dense overcast in the morning, becoming mostly cloudy in the afternoon. Patchy light fog. Rain very likely. High 18°. Wind south around 13 mph, gusting to 21 mph, in the morning, becoming 5 mph, gusting to 15 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly between 40 and 60 mm. |
| Friday night |
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Light to moderate fog after midnight. A slight chance of rain. Low 14°. Wind northwest around 10 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the afternoon. High 21°. Wind west-northwest around 10 mph, gusting to 20 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Saturday night |
Mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog. A slight chance of rain. Low 14°. Wind west-southwest around 5 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Sunday |
Dense overcast in the morning, becoming cloudy in the afternoon. A chance of rain. High 20°. Wind south-southwest around 6 mph in the morning, becoming south-southeast in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Sunday night |
Dense overcast. Patchy light fog after midnight. Rain very likely. Precipitation showery or intermittent. Low 15°. Wind southwest around 7 mph, gusting to 17 mph, in the evening, becoming 11 mph, gusting to 21 mph, after midnight. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 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.