| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Wednesday, 19-Aug-2026 05:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Clear. Moderate fog after midnight. Low 12°. Wind west-southwest around 7 mph, gusting to 20 mph. |
| Thursday |
Partly cloudy in the morning, becoming cloudy in the afternoon. Moderate fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. Precipitation showery or intermittent. High 19°. Wind west-southwest around 9 mph, gusting to 20 mph, in the morning, becoming 12 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Thursday night |
Fair to partly cloudy in the evening, becoming mostly clear after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. A slight chance of rain. Low 10°. Wind north-northwest around 7 mph, gusting to 17 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday |
Partly to mostly sunny in the morning, becoming mostly cloudy in the afternoon. Light to moderate fog in the morning. High 21°. Wind north around 6 mph, gusting to 16 mph. |
| Friday night |
Mostly cloudy. Low 11°. Wind northeast around 5 mph. |
| Saturday |
Partly to mostly sunny in the morning, becoming mostly cloudy in the afternoon. High 22°. Wind northeast around 4 mph in the morning, becoming northwest in the afternoon. |
| Saturday night |
Fair to partly cloudy in the evening, becoming clear after midnight. Cool. Low 9°. Wind west-northwest around 4 mph in the evening, becoming north after midnight. |
| Sunday |
Sunny. High 23°. UV index up to 5. Wind north around 6 mph. |
| Sunday night |
Clear in the evening, becoming fair to partly cloudy after midnight. Low 10°. Wind south-southeast around 3 mph in the evening, becoming east-northeast after midnight. |
| Monday |
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. Breezy. High 23°. UV index up to 4. Wind east-northeast around 10 mph, gusting to 20 mph, in the morning, becoming 13 mph, gusting to 20 mph, in the afternoon. |
| Monday night |
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Low 15°. Wind east-northeast around 11 mph, gusting to 20 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday |
Dense overcast in the morning, becoming cloudy in the afternoon. A slight chance of rain. High 22°. Wind north-northeast around 10 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Cloudy in the evening, becoming dense overcast after midnight. Rain likely after midnight. Precipitation showery or intermittent. Low 14°. Wind north around 4 mph in the evening, becoming west-northwest after midnight. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm. |
| Wednesday |
Dense overcast in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. Rain likely in the morning, then a slight chance of rain in the afternoon. High 20°. UV index up to 4. Wind west around 7 mph, gusting to 17 mph, in the morning, becoming 13 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 10 mm. |
| Wednesday night |
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 14°. Wind west around 3 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Thursday |
Cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. Precipitation showery or intermittent. High 20°. Wind north-northwest around 2 mph in the morning, becoming 5 mph in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Thursday night |
Fair in the evening, becoming clear after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. A slight chance of rain. Low 11°. Wind north-northwest around 5 mph. Chance of precipitation 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.