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Upper Brookville, NY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Upper Brookville, a village in Nassau County, New York.

Tonight
57°F
Partly Cloudy
Partly cloudy, with a low around 57. North wind 7 to 12 mph.

7-day forecast for Upper Brookville

WhenTempForecastWindPrecip
Tonight 57°F Partly Cloudy 7 to 12 mph N 0%
Saturday 70°F Mostly Sunny 6 to 12 mph E 0%
Saturday Night 59°F Mostly Cloudy 5 to 8 mph SE 11%
Sunday 71°F Showers And Thunderstorms 7 to 13 mph S 82%
Sunday Night 60°F Showers And Thunderstorms 6 to 14 mph W 88%
Monday 68°F Chance Rain Showers 14 mph NE 50%
Monday Night 56°F Chance Rain Showers 12 to 15 mph NE 28%
Tuesday 64°F Chance Rain Showers 17 mph NE 27%
Tuesday Night 54°F Chance Rain Showers then Mostly Cloudy 18 mph NE 27%
Wednesday 64°F Mostly Cloudy then Slight Chance Rain Showers 21 mph NE 15%
Wednesday Night 54°F Chance Rain Showers 17 to 21 mph NE 36%
Thursday 64°F Chance Rain Showers 17 to 22 mph NE 36%
Thursday Night 53°F Chance Rain Showers 16 to 21 mph NE 36%
Friday 68°F Chance Rain Showers 13 to 16 mph N 36%

Forecast source: National Weather Service (api.weather.gov) for Upper Brookville (40.847, -73.563). Updated through the day.

Growing snapshot for Upper Brookville

Last spring frost
Apr 2
First fall frost
Nov 12
Growing season
224 days
Hardiness zone
7b

More local growing data for Upper Brookville: nearby ZIP 11732 weather · frost dates · planting calendar · New York frost dates

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Climate data from the nearest NOAA station, Mineola, Ny (8.6 mi from Upper Brookville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.