New Cassel, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Cassel, a community in Nassau 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 New Cassel
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Partly Cloudy | 7 to 12 mph N | 0% |
| Saturday | 71°F | Mostly Sunny | 8 to 12 mph E | 0% |
| Saturday Night | 60°F | Mostly Cloudy | 5 to 8 mph SE | 8% |
| Sunday | 72°F | Showers And Thunderstorms | 8 to 15 mph S | 79% |
| Sunday Night | 61°F | Showers And Thunderstorms | 7 to 13 mph NW | 89% |
| Monday | 70°F | Chance Rain Showers | 15 mph NE | 54% |
| Monday Night | 57°F | Chance Rain Showers | 10 to 15 mph NE | 29% |
| Tuesday | 66°F | Chance Rain Showers | 18 mph NE | 28% |
| Tuesday Night | 55°F | Chance Rain Showers then Mostly Cloudy | 18 mph NE | 28% |
| Wednesday | 66°F | Slight Chance Rain Showers | 20 mph NE | 17% |
| Wednesday Night | 55°F | Chance Rain Showers | 17 to 21 mph NE | 37% |
| Thursday | 65°F | Chance Rain Showers | 20 mph NE | 37% |
| Thursday Night | 54°F | Chance Rain Showers | 14 to 18 mph NE | 36% |
| Friday | 69°F | Chance Rain Showers | 16 mph N | 36% |
Forecast source: National Weather Service (api.weather.gov) for New Cassel (40.760, -73.565). Updated through the day.
Growing snapshot for New Cassel
Last spring frost
Apr 2
First fall frost
Nov 12
Growing season
224 days
Hardiness zone
7b
More local growing data for New Cassel: nearby ZIP 11590 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Mineola, Ny (2.8 mi from New Cassel). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.