| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Saturday, 22-Aug-2026 08:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Partly to mostly cloudy. Low 13°. Wind west-southwest near calm in the evening, becoming east-southeast after midnight. |
| Sunday |
Mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. A slight chance of rain. High 23°. Wind southeast around 2 mph in the morning, becoming 5 mph in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Sunday night |
Fair in the evening, becoming partly cloudy after midnight. Low 12°. Wind southeast around 6 mph in the evening, becoming east after midnight. |
| Monday |
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Breezy. High 21°. Wind east around 13 mph, gusting to 22 mph. |
| Monday night |
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Breezy. Low 14°. Wind east around 12 mph, gusting to 19 mph. |
| Tuesday |
Cloudy. A slight chance of rain. Breezy. High 21°. Wind east around 12 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A slight chance of rain. Low 15°. Wind east-southeast around 8 mph in the evening, becoming 3 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. A slight chance of rain. Warm. High 25°. UV index up to 5. Wind south-southwest around 3 mph in the morning, becoming 9 mph, gusting to 17 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 dense overcast after midnight. Patchy light fog after midnight. A chance of rain in the evening, then rain likely after midnight. Scattered thundershowers possible. Low 16°. Wind south-southeast around 5 mph in the evening, becoming east-southeast after midnight. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm. |
| Thursday |
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. Rain likely in the morning, then a slight chance of rain in the afternoon. Scattered thundershowers possible. Breezy. High 23°. UV index up to 4. Wind south around 9 mph, gusting to 20 mph, in the morning, becoming 16 mph, gusting to 26 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm. |
| Thursday night |
Cloudy. Patchy light fog after midnight. Rain likely. Scattered thundershowers possible. Low 16°. Wind south around 8 mph, gusting to 22 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm. |
| Friday |
Dense overcast. Patchy light fog in the afternoon. Rain very likely. Precipitation showery or intermittent. Breezy. High 18°. Wind south around 12 mph, gusting to 20 mph. Chance of precipitation 90 percent. Precipitation mostly between 10 and 20 mm. |
| Friday night |
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Light to moderate fog in the evening. A chance of rain in the evening, then a slight chance of rain after midnight. Breezy. Low 14°. Wind west-southwest around 13 mph, gusting to 20 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Mostly cloudy. A chance of rain. Breezy. High 20°. Wind west-southwest around 15 mph, gusting to 23 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Saturday night |
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A slight chance of rain. Low 15°. Wind west-southwest around 10 mph, gusting to 21 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Sunday |
Cloudy. A slight chance of rain. Breezy. High 20°. Wind west-southwest around 11 mph, gusting to 20 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Sunday night |
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A chance of rain in the evening, then rain likely after midnight. Low 15°. Wind southwest around 8 mph, gusting to 17 mph. Chance of precipitation 80 percent. Precipitation mostly over 60 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.