| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Saturday, 15-Aug-2026 08:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Today |
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Warm. High 28°. UV index up to 5. Wind north-northeast around 9 mph, gusting to 19 mph. |
| Tonight |
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 17°. Wind north-northeast around 4 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Sunday |
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. Warm. High 26°. Wind north around 4 mph in the morning, becoming west in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Sunday night |
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Low 16°. Wind west around 5 mph in the evening, becoming northwest after midnight. |
| Monday |
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. Warm. High 25°. UV index up to 5. Wind northwest around 5 mph in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon. |
| Monday night |
Mostly clear in the evening, becoming partly cloudy after midnight. Low 14°. Wind northwest around 7 mph, gusting to 16 mph. |
| Tuesday |
Dense overcast. A chance of rain. High 21°. Wind west-northwest around 10 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Dense overcast. Light to moderate fog after midnight. A slight chance of rain in the evening, then rain likely after midnight. Low 15°. Wind west-northwest around 7 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm. |
| Wednesday |
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. Light to moderate fog in the morning. A slight chance of rain. High 22°. Wind west-northwest around 8 mph, gusting to 20 mph, in the morning, becoming 12 mph, gusting to 21 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday night |
Mostly cloudy to cloudy in the evening, becoming partly cloudy after midnight. A slight chance of rain. Low 12°. Wind west around 6 mph, gusting to 17 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Thursday |
Mostly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Scattered thundershowers possible. High 20°. Wind southwest around 8 mph, gusting to 17 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm. |
| Thursday night |
Fair to partly cloudy in the evening, becoming fair after midnight. Patchy light fog in the evening, then moderate fog after midnight. A slight chance of rain. Low 11°. Wind west around 6 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday |
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. Scattered thundershowers possible. High 21°. UV index up to 4. Wind north-northwest around 6 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday night |
Mostly cloudy in the evening, becoming partly cloudy after midnight. Low 12°. Wind north around 4 mph in the evening, becoming northeast after midnight. |
| Saturday |
Mostly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain. Scattered thundershowers possible. High 21°. Wind northeast around 6 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Saturday night |
Mostly cloudy to cloudy in the evening, becoming fair to partly cloudy after midnight. A slight chance of rain. Precipitation showery or intermittent. Low 12°. Wind east-northeast around 7 mph, gusting to 16 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Sunday |
Mostly cloudy to cloudy. A slight chance of rain. High 21°. UV index up to 4. Wind northeast around 10 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Sunday night |
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 13°. Wind northeast around 10 mph, gusting to 16 mph. Chance of precipitation 30 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.