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Roslyn Heights, NY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Roslyn Heights, a community in Nassau County, New York.

Today
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 66 in the afternoon. South wind 5 to 12 mph.

7-day forecast for Roslyn Heights

WhenTempForecastWindPrecip
Today 72°F Sunny 5 to 12 mph S 0%
Tonight 59°F Partly Cloudy 5 to 8 mph S 0%
Thursday 71°F Mostly Cloudy 8 to 12 mph S 9%
Thursday Night 61°F Showers And Thunderstorms Likely 5 to 10 mph S 71%
Friday 69°F Showers And Thunderstorms 6 mph S 92%
Friday Night 55°F Showers And Thunderstorms 6 mph W 75%
Saturday 65°F Mostly Sunny 6 to 9 mph W 14%
Saturday Night 47°F Slight Chance Light Rain 10 mph W 22%
Sunday 60°F Slight Chance Light Rain then Mostly Sunny 12 mph NW 15%
Sunday Night 44°F Partly Cloudy 10 mph W 5%
Monday 59°F Sunny 10 to 15 mph W 11%
Monday Night 43°F Mostly Clear 8 to 12 mph W 11%
Tuesday 61°F Sunny 10 to 14 mph SW 4%
Tuesday Night 43°F Mostly Clear 12 mph W 1%

Forecast source: National Weather Service (api.weather.gov) for Roslyn Heights (40.779, -73.640). Updated through the day.

Growing snapshot for Roslyn Heights

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

More local growing data for Roslyn Heights: nearby ZIP 11577 weather · frost dates · planting calendar · New York frost dates

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Climate data from the nearest NOAA station, Mineola, Ny (3.6 mi from Roslyn Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.