Plattsburgh, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plattsburgh, a city in Clinton County, New York.
This Afternoon
62°F
Sunny
Sunny, with a high near 62. Northeast wind around 5 mph.
7-day forecast for Plattsburgh
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Sunny | 5 mph NE | 0% |
| Tonight | 45°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Sunday | 57°F | Light Rain | 6 to 12 mph S | 100% |
| Sunday Night | 45°F | Mostly Cloudy | 1 to 10 mph N | 5% |
| Monday | 60°F | Mostly Sunny | 8 to 15 mph N | 0% |
| Monday Night | 43°F | Mostly Clear | 2 to 9 mph N | 0% |
| Tuesday | 62°F | Sunny | 3 to 7 mph N | 0% |
| Tuesday Night | 43°F | Mostly Clear | 0 to 6 mph N | 0% |
| Wednesday | 67°F | Sunny | 1 to 5 mph N | 0% |
| Wednesday Night | 44°F | Mostly Clear | 0 to 3 mph SW | 1% |
| Thursday | 66°F | Mostly Sunny | 0 to 5 mph E | 6% |
| Thursday Night | 45°F | Slight Chance Rain Showers | 3 mph N | 16% |
| Friday | 66°F | Slight Chance Rain Showers | 2 to 8 mph N | 23% |
| Friday Night | 47°F | Chance Rain Showers | 6 mph N | 29% |
Forecast source: National Weather Service (api.weather.gov) for Plattsburgh (44.692, -73.458). Updated through the day.
Growing snapshot for Plattsburgh
Last spring frost
May 6
First fall frost
Oct 5
Growing season
152 days
Hardiness zone
5a
More local growing data for Plattsburgh: nearby ZIP 12901 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Altona
Au Sable Forks
Cadyville
Champlain
Chazy
Cumberland Head
Dannemora
Keeseville
Lyon Mountain
Mooers
Morrisonville
Parc
Peru
Plattsburgh West
Redford
Rouses Point
West Chazy
Climate data from the nearest NOAA station, Plattsburgh Intl Ap, Ny (4.1 mi from Plattsburgh). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.