See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
12°
Clear
Feels Like: 9°
Min: 11°
Max: 27°
The next few hours will be clear, with today reaching 27°C and dropping to 12°C. The coming days will be breezy from afternoon until night.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:16
Sunrise
19:31
Sunset
Moon
Waxing Crescent
12:06
Moonrise
21:06
Moonset
Daily Forecast
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Wednesday
Thursday
Friday
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Sunday
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Thursday
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Weather in Mount Vernon today, September 15, 2026
Conditions in Mount Vernon on September 15, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. Expect a grey start, with morning cloud around 100% by 10:00. Outdoor plans early on should not rely on bright skies.
The temperature range runs from about 11°C up to 27°C. Expect humidity between 21% and 93%, most humid near 05:00. Winds stay light, near 6.3 km/h by 20:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 16.0 km on average, though it can drop toward 15.2 km in thicker cloud or showers. Daylight runs from 07:16 to 19:31, lasting 12 hours 15 minutes of sunlight today.
Taken together, settled sunshine in Mount Vernon on September 15, 2026 makes outdoor timing easier, with highs near 27°C.
Frequently asked questions about weather in Mount Vernon
How warm does it get in Mount Vernon?
The warmest month in Mount Vernon is July, with average high temperatures of 28°C. The average temperature during this period is around 24°C.
How cold does it get in Mount Vernon?
The coldest month in Mount Vernon is January, with average low temperatures of -5°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Mount Vernon?
The wettest month in Mount Vernon is April, with an average of 122mm of precipitation.
What is the driest time of year in Mount Vernon?
The driest month in Mount Vernon is September, with an average of 75mm of precipitation.
