Harman US

Commack, NY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Commack, a community in Suffolk County, New York.

Overnight
56°F
Mostly Cloudy
Mostly cloudy, with a low around 56. Northeast wind around 12 mph.

7-day forecast for Commack

WhenTempForecastWindPrecip
Overnight 56°F Mostly Cloudy 12 mph NE 0%
Saturday 70°F Partly Sunny 7 to 10 mph E 0%
Saturday Night 55°F Mostly Cloudy 7 mph SE 2%
Sunday 70°F Rain 7 to 12 mph SE 84%
Sunday Night 56°F Rain 7 to 12 mph E 84%
Monday 68°F Chance Light Rain then Mostly Cloudy 10 to 15 mph NE 42%
Monday Night 53°F Mostly Cloudy then Slight Chance Rain Showers 8 to 14 mph NE 20%
Tuesday 64°F Chance Rain Showers 17 mph NE 25%
Tuesday Night 52°F Chance Rain Showers 17 mph NE 25%
Wednesday 65°F Slight Chance Rain Showers 17 to 21 mph NE 20%
Wednesday Night 52°F Chance Rain Showers 20 mph NE 33%
Thursday 65°F Chance Rain Showers 22 mph NE 33%
Thursday Night 51°F Chance Rain Showers 17 to 21 mph NE 40%
Friday 65°F Chance Rain Showers 20 mph N 38%

Forecast source: National Weather Service (api.weather.gov) for Commack (40.843, -73.283). Updated through the day.

Growing snapshot for Commack

Last spring frost
Apr 9
First fall frost
Nov 10
Growing season
215 days
Hardiness zone
7b

More local growing data for Commack: nearby ZIP 11725 weather · frost dates · planting calendar · New York frost dates

Nearby towns & communities

All New York locations ›

Climate data from the nearest NOAA station, Centerport, Ny (5.7 mi from Commack). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.