Nassau, NY Weather & Growing Conditions
This Afternoon
66°F
Mostly Cloudy
Mostly cloudy, with a high near 66. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Mostly Cloudy | 5 mph S | 3% |
| Tonight | 50°F | Mostly Cloudy | 5 mph SE | 6% |
| Wednesday | 71°F | Sunny | 3 to 9 mph S | 4% |
| Wednesday Night | 57°F | Mostly Cloudy | 6 to 9 mph S | 3% |
| Thursday | 67°F | Rain Showers | 10 mph S | 82% |
| Thursday Night | 59°F | Chance Rain Showers | 2 to 7 mph S | 37% |
| Friday | 65°F | Chance Rain Showers then Light Rain Likely | 3 mph NW | 63% |
| Friday Night | 51°F | Light Rain Likely | 3 mph N | 63% |
| Saturday | 60°F | Chance Light Rain | 5 mph NW | 50% |
| Saturday Night | 41°F | Chance Light Rain | 3 mph NW | 41% |
| Sunday | 56°F | Chance Light Rain | 3 to 8 mph NW | 34% |
| Sunday Night | 35°F | Slight Chance Light Rain | 3 mph W | 19% |
| Monday | 55°F | Chance Light Rain | 3 to 10 mph NW | 26% |
| Monday Night | 34°F | Chance Light Rain | 6 mph W | 26% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Nassau, NY
Last spring frost
Apr 27
First fall frost
Oct 14
Growing season
171 days
Hardiness zone
6a
Explore more for Nassau, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Valatie 1 N, Ny (7.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.