Harman US

Mount Vernon, NY Weather & Growing Conditions

Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. East wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 84°F Mostly Sunny 5 mph E 0%
Tonight 67°F Mostly Cloudy 5 mph S 3%
Wednesday 83°F Partly Sunny then Chance Showers And Thunderstorms 2 to 7 mph SE 29%
Wednesday Night 72°F Chance Rain Showers 3 to 7 mph S 28%
Thursday 89°F Chance Showers And Thunderstorms 3 to 9 mph SW 42%
Thursday Night 74°F Chance Showers And Thunderstorms then Partly Cloudy 5 to 8 mph SW 41%
Friday 90°F Mostly Sunny then Chance Showers And Thunderstorms 5 to 8 mph SW 42%
Friday Night 73°F Chance Showers And Thunderstorms 6 mph SW 40%
Saturday 87°F Partly Sunny then Chance Showers And Thunderstorms 3 to 8 mph SW 34%
Saturday Night 72°F Chance Showers And Thunderstorms 7 mph W 34%
Sunday 88°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 8 mph W 15%
Sunday Night 74°F Slight Chance Showers And Thunderstorms then Mostly Clear 7 mph SW 15%
Monday 90°F Sunny 5 to 10 mph W 13%
Monday Night 72°F Partly Cloudy 6 to 9 mph W 14%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Mount Vernon, NY

Last spring frost
Apr 20
First fall frost
Oct 26
Growing season
189 days
Hardiness zone
7b

Explore more for Mount Vernon, NY: full frost dates · planting calendar · New York frost dates

Climate data from the nearest NOAA station, Dobbs Ferry-Ardsley, Ny (5.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.