See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
20°
Clear
Feels Like: 21°
Min: 19°
Max: 36°
The next few hours will be clear, with today reaching 36°C and dropping to 23°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:43
Sunrise
18:57
Sunset
Moon
Waxing Crescent
11:26
Moonrise
20:37
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
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Weather in Mount Vernon today, September 15, 2026
Sunshine leads the day in Mount Vernon on September 15, 2026, with a patch of cloud building near 21:00. The broader outlook stays fair despite that temporary thickening. The opening hours look fair, as cloud stays near 3% around 05:00. Morning errands should face fewer weather interruptions.
Expect highs of 36°C and cooler readings close to 19°C. Expect humidity between 36% and 91%, most humid near 07:00. A lighter breeze peaks around 12:00 near 5.4 km/h.
Through the afternoon skies look more workable, with cloud near 27% around 21:00. Later outdoor plans have a clearer window than the morning may have suggested. Expect visibility near 16.1 km, with poorer spells close to 15.4 km. The sun rises at 06:43 and sets at 18:57, for a total of 12 hours 14 minutes of sunlight today.
Taken together, settled sunshine in Mount Vernon on September 15, 2026 makes outdoor timing easier, with highs near 36°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 32°C. The average temperature during this period is around 27°C.
How cold does it get in Mount Vernon?
The coldest month in Mount Vernon is January, with average low temperatures of -2°C. The average temperature during this period is around 1°C.
What is the wettest time of year in Mount Vernon?
The wettest month in Mount Vernon is May, with an average of 140mm of precipitation.
What is the driest time of year in Mount Vernon?
The driest month in Mount Vernon is September, with an average of 78mm of precipitation.
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