Nassau, NY Weather & Growing Conditions
This Afternoon
74°F
Mostly Sunny
Mostly sunny, with a high near 74. North wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 8 mph N | 0% |
| Tonight | 46°F | Mostly Cloudy | 3 to 7 mph N | 1% |
| Saturday | 66°F | Mostly Sunny | 3 mph NW | 0% |
| Saturday Night | 49°F | Mostly Cloudy then Chance Rain Showers | 1 to 6 mph E | 25% |
| Sunday | 62°F | Rain Showers | 5 to 8 mph SE | 97% |
| Sunday Night | 50°F | Rain Showers | 2 to 6 mph NE | 97% |
| Monday | 64°F | Slight Chance Rain Showers then Partly Sunny | 7 mph N | 15% |
| Monday Night | 45°F | Mostly Cloudy | 2 to 6 mph N | 6% |
| Tuesday | 62°F | Mostly Cloudy | 5 mph NE | 11% |
| Tuesday Night | 43°F | Mostly Cloudy | 5 mph NE | 10% |
| Wednesday | 62°F | Partly Sunny | 2 to 7 mph NE | 9% |
| Wednesday Night | 44°F | Slight Chance Rain Showers | 5 mph NE | 24% |
| Thursday | 61°F | Chance Rain Showers | 5 mph NE | 30% |
| Thursday Night | 46°F | Chance Rain Showers | 5 mph N | 31% |
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 Sep 18, 2026.