Plattsburgh, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plattsburgh, a city in Clinton County, New York.
Overnight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. South wind around 8 mph.
7-day forecast for Plattsburgh
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Cloudy | 8 mph S | 8% |
| Wednesday | 71°F | Mostly Sunny | 8 to 12 mph S | 6% |
| Wednesday Night | 52°F | Partly Cloudy | 7 to 14 mph S | 3% |
| Thursday | 68°F | Rain Showers Likely | 6 to 14 mph S | 74% |
| Thursday Night | 50°F | Chance Rain Showers | 5 mph SW | 33% |
| Friday | 61°F | Mostly Cloudy then Chance Rain Showers | 1 to 5 mph S | 30% |
| Friday Night | 45°F | Chance Light Rain | 3 mph N | 50% |
| Saturday | 54°F | Chance Light Rain | 3 to 7 mph NW | 44% |
| Saturday Night | 40°F | Chance Light Rain | 5 mph NW | 39% |
| Sunday | 51°F | Chance Light Rain | 3 to 8 mph W | 26% |
| Sunday Night | 36°F | Chance Light Rain | 3 mph W | 27% |
| Monday | 51°F | Slight Chance Light Rain | 3 to 9 mph W | 24% |
| Monday Night | 35°F | Slight Chance Light Rain then Slight Chance Rain And Snow | 6 mph W | 24% |
| Tuesday | 51°F | Slight Chance Rain And Snow | 7 to 10 mph SW | 20% |
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 Nov 4, 2026.