| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Updated: Friday, 21-Aug-2026 09:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
| Tonight |
Fair to partly cloudy in the evening, becoming clear after midnight. Low 11°. Wind northwest around 5 mph in the evening, becoming north-northeast after midnight. |
| Saturday |
Sunny in the morning, becoming partly to mostly sunny in the afternoon. High 22°. UV index up to 4. Wind north-northeast around 7 mph, gusting to 18 mph. |
| Saturday night |
Partly cloudy. Low 11°. Wind south-southwest around 2 mph in the evening, becoming east after midnight. |
| Sunday |
Sunny. High 23°. UV index up to 4. Wind south-southeast around 3 mph. |
| Sunday night |
Mostly clear in the evening, becoming partly cloudy after midnight. Low 12°. Wind south-southeast around 4 mph in the evening, becoming east-northeast after midnight. |
| Monday |
Partly to mostly cloudy. Breezy. High 23°. UV index up to 4. Wind east-northeast around 11 mph, gusting to 21 mph, in the morning, becoming 14 mph, gusting to 22 mph, in the afternoon. |
| Monday night |
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Breezy. Low 16°. Wind east-northeast around 12 mph, gusting to 19 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday |
Mostly cloudy to cloudy in the morning, becoming partly to mostly sunny in the afternoon. A slight chance of rain. Breezy and warm. High 25°. UV index up to 5. Wind east around 12 mph, gusting to 22 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain. Low 16°. Wind east around 9 mph, gusting to 19 mph, in the evening, becoming 5 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. Precipitation showery or intermittent. Warm. High 24°. Wind south-southwest around 7 mph, gusting to 18 mph, in the morning, becoming 11 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Wednesday night |
Mostly cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain. Scattered thundershowers possible. Low 17°. Wind south around 5 mph, gusting to 16 mph, in the evening, becoming 2 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Thursday |
Dense overcast in the morning, becoming cloudy in the afternoon. Rain likely. Precipitation showery or intermittent. High 20°. Wind northeast near calm in the morning, becoming south around 9 mph, gusting to 17 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm. |
| Thursday night |
Partly cloudy in the evening, becoming fair after midnight. Light to moderate fog after midnight. A slight chance of rain. Low 12°. Wind southwest around 11 mph, gusting to 19 mph, in the evening, becoming 7 mph, gusting to 16 mph, after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday |
Partly to mostly cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 18°. Wind west-southwest around 7 mph, gusting to 16 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm. |
| Friday night |
Cloudy. A slight chance of rain. Low 13°. Wind west-southwest around 7 mph, gusting to 15 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. Breezy. High 21°. Wind west around 14 mph, gusting to 24 mph, in the morning, becoming 18 mph, gusting to 26 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Saturday night |
Dense overcast in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Breezy. Low 14°. Wind west around 16 mph, gusting to 24 mph, in the evening, becoming 13 mph, gusting to 21 mph, after midnight. 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.