Mamaroneck, NY Weather & Growing Conditions
Tonight
59°F
Partly Cloudy
Partly cloudy, with a low around 59. North wind 7 to 12 mph.
7-day forecast
| 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). Updated through the day.
Growing snapshot for Mamaroneck, NY
Last spring frost
Apr 20
First fall frost
Oct 26
Growing season
189 days
Hardiness zone
7b
Explore more for Mamaroneck, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Dobbs Ferry-Ardsley, Ny (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.