| WXSIM Forecast for:
Winchester Issued by: winchesterweather.org.uk |
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| Updated: Tuesday, 18-Aug-2026 01:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| This afternoon |
Partly cloudy. Breezy and warm. High 25°. UV index up to 5. Wind west around 13 mph, gusting to 23 mph. |
| Tonight |
Partly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Low 15°. Wind west-northwest around 10 mph, gusting to 20 mph, in the evening, becoming 6 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 slight chance of rain. High 22°. Wind west-northwest around 8 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Wednesday night |
Partly cloudy in the evening, becoming fair after midnight. A slight chance of rain. Low 12°. Wind west-northwest around 9 mph, gusting to 19 mph, in the evening, becoming west-southwest around 6 mph after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Thursday |
Mostly sunny in the morning, becoming partly cloudy in the afternoon. A slight chance of rain. High 23°. Wind west-southwest around 9 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. |
| Thursday night |
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain after midnight. Low 13°. Wind west around 6 mph, gusting to 19 mph, in the evening, becoming north after midnight. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Friday |
Cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 19°. Wind north-northeast around 9 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm. |
| Friday night |
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 13°. Wind northeast around 6 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Mostly cloudy. High 21°. Wind northeast around 8 mph, gusting to 19 mph. |
| Saturday night |
Mostly cloudy to cloudy in the evening, becoming fair to partly cloudy after midnight. Low 11°. Wind east-northeast around 6 mph. |
| Sunday |
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain in the afternoon. High 22°. Wind north-northeast around 8 mph, gusting to 18 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Sunday night |
Partly to mostly cloudy in the evening, becoming clear after midnight. Patchy light fog after midnight. A slight chance of rain. Precipitation showery or intermittent. Low 10°. Wind east-northeast around 5 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm. |
| Monday |
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. High 21°. Wind north-northeast around 7 mph. |
| Monday night |
Partly cloudy in the evening, becoming clear after midnight. Low 10°. Wind west-northwest around 5 mph in the evening, becoming near calm after midnight. |
| Tuesday |
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. High 22°. UV index up to 4. Wind south-southeast around 4 mph, gusting to 16 mph, in the morning, becoming 11 mph, gusting to 19 mph, in the afternoon. |
| Tuesday night |
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 14°. Wind east-southeast around 7 mph, gusting to 15 mph. |
| Wednesday |
Dense overcast in the morning, becoming cloudy in the afternoon. Rain likely. High 20°. Wind south-southeast around 7 mph, gusting to 16 mph, in the morning, becoming south-southwest in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm. |
| Wednesday night |
Partly cloudy. Patchy light fog in the evening, then moderate fog after midnight. A slight chance of rain. Low 12°. Wind west around 8 mph, gusting to 16 mph, in the evening, becoming 5 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
WXSIM forecast formatting script by Saratoga-Weather.org.
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