| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Thursday, 13-Aug-2026 07:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Fair to partly cloudy in the evening, becoming mostly clear after midnight. Low 16°. Wind west around 3 mph. |
| Friday |
Sunny in the morning, becoming partly to mostly sunny in the afternoon. Unusually hot. High 29°. UV index up to 5. Wind west around 5 mph in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon. |
| Friday night |
Partly to mostly cloudy. Low 16°. Wind west-northwest around 10 mph, gusting to 17 mph, in the evening, becoming north-northwest after midnight. |
| Saturday |
Sunny. Warm. High 26°. UV index up to 5. Wind north-northwest around 10 mph, gusting to 19 mph. |
| Saturday night |
Fair to partly cloudy in the evening, becoming mostly clear after midnight. Low 13°. Wind north-northwest around 11 mph, gusting to 17 mph, in the evening, becoming 7 mph after midnight. |
| Sunday |
Partly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 23°. Wind north-northwest around 7 mph, gusting to 16 mph. |
| Sunday night |
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 13°. Wind north-northwest around 3 mph. |
| Monday |
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 22°. Wind north-northwest around 4 mph. |
| Monday night |
Dense overcast in the evening, becoming cloudy after midnight. A slight chance of rain. Low 15°. Wind west around 5 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday |
Mostly cloudy to cloudy. A slight chance of rain. High 21°. Wind west-northwest around 9 mph, gusting to 17 mph, in the morning, becoming 13 mph, gusting to 19 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain after midnight. Low 14°. Wind west-northwest around 10 mph, gusting to 18 mph, in the evening, becoming 7 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. A slight chance of rain. Warm. High 26°. UV index up to 5. Wind west-northwest around 8 mph, gusting to 17 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday night |
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 13°. Wind west-northwest around 8 mph, gusting to 16 mph, in the evening, becoming 4 mph after midnight. |
| Thursday |
Mostly cloudy to cloudy in the morning, becoming sunny in the afternoon. High 24°. UV index up to 5. Wind northwest around 3 mph in the morning, becoming 7 mph, gusting to 16 mph, in the afternoon. |
| Thursday night |
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 13°. Wind west around 8 mph, gusting to 16 mph, in the evening, becoming north around 5 mph after midnight. |
| Friday |
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. High 23°. UV index up to 4. Wind north-northwest around 6 mph. |
| Friday night |
Clear. Low 10°. Wind west-northwest around 5 mph in the evening, becoming north 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.