Mamaroneck, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mamaroneck, a village in Westchester County, New York.
Tonight
54°F
Partly Cloudy then Patchy Fog
Patchy fog after 5am. Partly cloudy, with a low around 54. Southwest wind around 6 mph.
7-day forecast for Mamaroneck
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Partly Cloudy then Patchy Fog | 6 mph SW | 3% |
| Wednesday | 72°F | Patchy Fog then Sunny | 3 to 12 mph SW | 3% |
| Wednesday Night | 60°F | Partly Cloudy | 6 to 9 mph S | 2% |
| Thursday | 70°F | Chance Rain Showers | 6 to 10 mph S | 40% |
| Thursday Night | 63°F | Rain Showers | 6 to 9 mph S | 82% |
| Friday | 67°F | Showers And Thunderstorms | 6 mph S | 85% |
| Friday Night | 55°F | Showers And Thunderstorms | 6 mph W | 85% |
| Saturday | 66°F | Chance Rain Showers | 6 to 9 mph NW | 50% |
| Saturday Night | 45°F | Slight Chance Rain Showers | 10 mph NW | 17% |
| Sunday | 60°F | Slight Chance Rain Showers then Mostly Sunny | 9 mph W | 16% |
| Sunday Night | 42°F | Partly Cloudy then Slight Chance Light Rain | 8 mph W | 15% |
| Monday | 60°F | Slight Chance Light Rain | 8 to 15 mph NW | 23% |
| Monday Night | 42°F | Chance Light Rain | 12 mph W | 25% |
| 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 Mamaroneck (40.936, -73.726). Updated through the day.
Growing snapshot for Mamaroneck
Last spring frost
Apr 20
First fall frost
Oct 26
Growing season
189 days
Hardiness zone
7b
More local growing data for Mamaroneck: nearby ZIP 10543 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
Millwood
Montrose
Climate data from the nearest NOAA station, Dobbs Ferry-Ardsley, Ny (6.4 mi from Mamaroneck). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.