| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Saturday, 12-Sep-2026 11:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Rest of tonight |
Dense overcast. A slight chance of rain. Mild. Low 17°. Wind south-southwest around 6 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 in the morning, then a slight chance of rain in the afternoon. High 20°. Wind west-southwest around 5 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm. |
| Sunday night |
Cloudy. A slight chance of rain. Mild. Low 16°. Wind west around 4 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Monday |
Mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. A slight chance of rain. Warm. High 25°. UV index up to 4. Wind southwest around 6 mph in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Monday night |
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog. Low 14°. Wind west around 5 mph in the evening, becoming south-southwest after midnight. |
| Tuesday |
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. High 20°. Wind southwest around 8 mph, gusting to 19 mph, in the morning, becoming west in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Mostly clear in the evening, becoming mostly cloudy after midnight. Patchy light fog. Low 12°. Wind west around 8 mph, gusting to 17 mph. |
| Wednesday |
Mostly 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 18°. Wind northwest around 9 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday night |
Cloudy. A slight chance of rain. Low 12°. Wind west-northwest around 7 mph, gusting to 16 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Thursday |
Cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain. High 18°. Wind southwest around 9 mph, gusting to 18 mph, in the morning, becoming west around 13 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Thursday night |
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain after midnight. Low 10°. Wind west around 8 mph, gusting to 18 mph, in the evening, becoming 4 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday |
Partly cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain. High 18°. Wind west around 7 mph, gusting to 17 mph, in the morning, becoming 10 mph, gusting to 17 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday night |
Cloudy. A slight chance of rain after midnight. Breezy. Low 12°. Wind west-southwest around 10 mph, gusting to 16 mph, in the evening, becoming 14 mph, gusting to 21 mph, after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Saturday |
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. Breezy and mild. High 22°. Wind southwest around 17 mph, gusting to 25 mph, in the morning, becoming 14 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Saturday night |
Partly cloudy. Patchy light fog. Low 10°. Wind west-northwest around 8 mph, gusting to 19 mph, in the evening, becoming 5 mph after midnight. |
| Sunday |
Mostly sunny. Patchy light fog in the morning. High 18°. Wind west-northwest around 6 mph, gusting to 17 mph, in the morning, becoming 11 mph, gusting to 19 mph, in the afternoon. |
| Sunday night |
Partly cloudy in the evening, becoming cloudy after midnight. Low 10°. Wind west-northwest around 6 mph, gusting to 15 mph, in the evening, becoming 3 mph after midnight. |
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.