Mamaroneck, NY Weather & Growing Conditions
Overnight
54°F
Patchy Fog
Patchy fog after 5am. Mostly clear, with a low around 54. Southwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | 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). 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 Nov 4, 2026.