Harman US

Tappan, NY Weather & Growing Conditions

Today
75°F
Sunny
Sunny. High near 75, with temperatures falling to around 68 in the afternoon. South wind 3 to 9 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 75°F Sunny 3 to 9 mph S 0%
Tonight 57°F Partly Cloudy 5 mph S 0%
Thursday 73°F Chance Rain Showers 5 to 9 mph S 35%
Thursday Night 61°F Rain Showers Likely 2 to 6 mph S 62%
Friday 70°F Rain Showers 3 mph S 82%
Friday Night 52°F Rain Showers Likely 3 mph N 65%
Saturday 65°F Mostly Sunny then Slight Chance Rain Showers 5 to 8 mph NW 16%
Saturday Night 44°F Slight Chance Light Rain 8 mph W 24%
Sunday 59°F Slight Chance Light Rain then Mostly Sunny 9 mph NW 15%
Sunday Night 40°F Partly Cloudy 7 mph W 4%
Monday 58°F Sunny 8 to 12 mph W 10%
Monday Night 39°F Mostly Clear 7 mph W 10%
Tuesday 61°F Sunny 7 to 10 mph SW 4%
Tuesday Night 39°F Mostly Clear 8 mph W 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Tappan, NY

Last spring frost
Apr 20
First fall frost
Oct 26
Growing season
189 days
Hardiness zone
7a

Explore more for Tappan, NY: full frost dates · planting calendar · New York frost dates

Climate data from the nearest NOAA station, Dobbs Ferry-Ardsley, Ny (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.