Mamaroneck, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mamaroneck, a village in Westchester County, New York.
Tonight
59°F
Partly Cloudy
Partly cloudy, with a low around 59. North wind 7 to 12 mph.
7-day forecast for Mamaroneck
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Partly Cloudy | 7 to 12 mph N | 0% |
| Saturday | 68°F | Mostly Sunny | 8 to 13 mph E | 0% |
| Saturday Night | 62°F | Mostly Cloudy then Slight Chance Rain Showers | 8 mph SE | 17% |
| Sunday | 68°F | Showers And Thunderstorms | 7 to 14 mph SE | 86% |
| Sunday Night | 61°F | Showers And Thunderstorms | 5 to 14 mph SW | 86% |
| Monday | 66°F | Chance Rain Showers | 14 mph NE | 44% |
| Monday Night | 55°F | Chance Rain Showers | 10 to 14 mph NE | 29% |
| Tuesday | 63°F | Chance Rain Showers | 15 mph NE | 27% |
| Tuesday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 17 mph NE | 27% |
| Wednesday | 62°F | Mostly Cloudy | 18 mph NE | 14% |
| Wednesday Night | 53°F | Chance Rain Showers | 16 to 20 mph NE | 33% |
| Thursday | 62°F | Chance Rain Showers | 17 mph NE | 33% |
| Thursday Night | 53°F | Chance Rain Showers | 13 to 16 mph NE | 35% |
| Friday | 67°F | Chance Rain Showers | 12 to 15 mph N | 35% |
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 Sep 19, 2026.