Mount Vernon, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Vernon, a city in Westchester County, New York.
Tonight
52°F
Partly Cloudy then Patchy Fog
Patchy fog after 2am. Partly cloudy, with a low around 52. Southwest wind around 5 mph.
7-day forecast for Mount Vernon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Partly Cloudy then Patchy Fog | 5 mph SW | 3% |
| Wednesday | 74°F | Patchy Fog then Sunny | 3 to 10 mph SW | 3% |
| Wednesday Night | 58°F | Partly Cloudy | 5 to 8 mph S | 2% |
| Thursday | 72°F | Chance Rain Showers | 5 to 9 mph S | 39% |
| Thursday Night | 62°F | Rain Showers | 7 mph S | 82% |
| Friday | 68°F | Showers And Thunderstorms | 6 mph S | 84% |
| Friday Night | 55°F | Showers And Thunderstorms | 6 mph W | 84% |
| Saturday | 65°F | Chance Rain Showers | 6 to 9 mph NW | 50% |
| Saturday Night | 46°F | Slight Chance Rain Showers | 9 mph NW | 16% |
| Sunday | 60°F | Slight Chance Rain Showers then Mostly Sunny | 9 mph W | 15% |
| Sunday Night | 43°F | Partly Cloudy then Slight Chance Light Rain | 8 mph W | 15% |
| Monday | 60°F | Slight Chance Light Rain | 9 to 15 mph NW | 23% |
| Monday Night | 42°F | Slight Chance Light Rain | 10 mph W | 24% |
| Tuesday | 61°F | Slight Chance Light Rain then Mostly Sunny | 9 to 15 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov) for Mount Vernon (40.913, -73.829). Updated through the day.
Growing snapshot for Mount Vernon
Last spring frost
Apr 1
First fall frost
Nov 16
Growing season
230 days
Hardiness zone
7b
More local growing data for Mount Vernon: nearby ZIP 10553 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Ardsley
Armonk
Bedford
Bedford Hills
Briarcliff Manor
Bronxville
Buchanan
Chappaqua
Crompond
Croton-on-Hudson
Crugers
Dobbs Ferry
Eastchester
Elmsford
Fairview
Golden's Bridge
Greenville
Harrison
Hartsdale
Hastings-on-Hudson
Hawthorne
Heritage Hills
Irvington
Jefferson Valley-Yorktown
Katonah
Lake Mohegan
Larchmont
Lincolndale
Mamaroneck
Millwood
Climate data from the nearest NOAA station, Bronx, Ny (5.2 mi from Mount Vernon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.