| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Wednesday, 26-Aug-2026 04:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Mostly 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. Mild. Low 18°. Wind east-southeast around 4 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm. |
| Thursday |
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog. Rain likely in the morning, then a chance of rain in the afternoon. Precipitation showery or intermittent. High 21°. Wind south-southeast around 3 mph in the morning, becoming south-southwest around 7 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm. |
| Thursday night |
Partly cloudy in the evening, becoming mostly clear after midnight. Light to moderate fog in the evening, then moderate fog after midnight. Low 14°. Wind south-southwest around 6 mph, gusting to 16 mph. |
| Friday |
Partly to mostly sunny in the morning, becoming dense overcast in the afternoon. Moderate fog in the morning. A chance of rain in the afternoon. Scattered thundershowers possible. Breezy. High 20°. Wind west around 9 mph, gusting to 20 mph, in the morning, becoming 15 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Friday night |
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A chance of rain. Low 17°. Wind west around 10 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Dense overcast in the morning, becoming mostly cloudy in the afternoon. A chance of rain. Windy. High 20°. Wind southwest around 13 mph, gusting to 23 mph, in the morning, becoming 20 mph, gusting to 29 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around 2 mm. |
| Saturday night |
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Windy. Low 17°. Wind southwest around 19 mph, gusting to 28 mph, in the evening, becoming 13 mph, gusting to 22 mph, after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Sunday |
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. Breezy. High 22°. Wind southwest around 11 mph, gusting to 21 mph, in the morning, becoming 16 mph, gusting to 25 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Sunday night |
Partly to mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Patchy light fog. A chance of rain. Precipitation showery or intermittent. Breezy. Low 13°. Wind southwest around 14 mph, gusting to 23 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Monday |
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Light to moderate fog in the morning. A slight chance of rain. Breezy. High 20°. Wind west-southwest around 12 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Monday night |
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Low 14°. Wind west-southwest around 5 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday |
Cloudy in the morning, becoming partly cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Breezy. High 21°. Wind southwest around 12 mph, gusting to 23 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Tuesday night |
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog. Low 12°. Wind west around 9 mph, gusting to 18 mph, in the evening, becoming 5 mph after midnight. |
| Wednesday |
Partly cloudy in the morning, becoming mostly sunny in the afternoon. Patchy light fog in the morning. High 20°. UV index up to 4. Wind west around 8 mph, gusting to 17 mph, in the morning, becoming 11 mph, gusting to 19 mph, in the afternoon. |
| Wednesday night |
Fair in the evening, becoming partly cloudy after midnight. Low 11°. Wind west around 7 mph, gusting to 16 mph, in the evening, becoming 3 mph after midnight. |
| Thursday |
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. High 22°. Wind west-southwest around 7 mph, gusting to 19 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. |
| Thursday night |
Fair in the evening, becoming partly to mostly cloudy after midnight. Breezy. Low 16°. Wind west-southwest around 11 mph, gusting to 18 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.