Rensselaer Falls, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rensselaer Falls, a village in St. Lawrence County, New York.
This Afternoon
62°F
Chance Rain Showers
A chance of rain showers before 5pm. Mostly cloudy, with a high near 62. South wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Rensselaer Falls
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Chance Rain Showers | 8 mph S | 44% |
| Tonight | 50°F | Mostly Cloudy | 9 mph S | 11% |
| Wednesday | 76°F | Mostly Sunny | 5 to 9 mph S | 5% |
| Wednesday Night | 54°F | Mostly Cloudy then Light Rain Likely | 6 to 9 mph S | 64% |
| Thursday | 70°F | Rain Showers | 10 to 16 mph SW | 81% |
| Thursday Night | 49°F | Slight Chance Rain Showers | 2 to 8 mph SW | 18% |
| Friday | 61°F | Slight Chance Rain Showers | 2 mph W | 23% |
| Friday Night | 42°F | Slight Chance Light Rain | 3 mph N | 24% |
| Saturday | 52°F | Chance Light Rain | 6 mph N | 41% |
| Saturday Night | 37°F | Chance Light Rain | 3 mph W | 41% |
| Sunday | 51°F | Chance Light Rain then Partly Sunny | 2 to 7 mph SW | 28% |
| Sunday Night | 33°F | Slight Chance Light Rain | 3 mph SW | 23% |
| Monday | 51°F | Chance Light Rain | 3 to 8 mph W | 25% |
| Monday Night | 34°F | Chance Light Rain | 5 mph SW | 25% |
Forecast source: National Weather Service (api.weather.gov) for Rensselaer Falls (44.591, -75.320). Updated through the day.
Growing snapshot for Rensselaer Falls
Last spring frost
May 9
First fall frost
Sep 30
Growing season
142 days
Hardiness zone
4b
More local growing data for Rensselaer Falls: nearby ZIP 13680 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Brasher Falls
Canton
Colton
Cranberry Lake
DeKalb Junction
Edwards
Gouverneur
Hailesboro
Hammond
Hannawa Falls
Hermon
Heuvelton
Madrid
Massena
Norfolk
Norwood
Ogdensburg
Parishville
Potsdam
Richville
Star Lake
Waddington
Winthrop
Climate data from the nearest NOAA station, Canton 4 Se, Ny (10.9 mi from Rensselaer Falls). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.