Harman US

Plattsburgh, NY Weather & Growing Conditions

Today
63°F
Sunny
Sunny, with a high near 63. Northeast wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 63°F Sunny 3 mph NE 0%
Tonight 44°F Mostly Cloudy 0 to 5 mph SW 1%
Sunday 56°F Rain Showers 5 to 10 mph S 95%
Sunday Night 44°F Mostly Cloudy 2 to 7 mph NE 8%
Monday 60°F Partly Sunny 9 mph N 0%
Monday Night 40°F Mostly Cloudy 2 to 6 mph N 0%
Tuesday 62°F Mostly Sunny 3 to 7 mph N 0%
Tuesday Night 41°F Partly Cloudy 0 to 5 mph N 0%
Wednesday 66°F Sunny 0 to 5 mph NE 0%
Wednesday Night 43°F Partly Cloudy 2 mph SE 2%
Thursday 65°F Mostly Sunny then Slight Chance Rain Showers 1 to 5 mph E 17%
Thursday Night 44°F Slight Chance Rain Showers 3 mph N 19%
Friday 66°F Slight Chance Rain Showers 2 to 8 mph N 22%
Friday Night 45°F Slight Chance Rain Showers 2 to 7 mph N 19%

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

Growing snapshot for Plattsburgh, NY

Last spring frost
May 6
First fall frost
Oct 5
Growing season
152 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Plattsburgh Intl Ap, Ny (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.