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