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.
Overnight
40°F
Mostly Clear
Mostly clear, with a low around 40. Northeast wind around 2 mph.
7-day forecast for Rensselaer Falls
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 40°F | Mostly Clear | 2 mph NE | 0% |
| Saturday | 63°F | Sunny | 3 mph NE | 0% |
| Saturday Night | 44°F | Mostly Cloudy | 2 mph NE | 7% |
| Sunday | 58°F | Rain Showers | 0 to 6 mph E | 88% |
| Sunday Night | 42°F | Mostly Cloudy | 0 to 5 mph N | 3% |
| Monday | 58°F | Partly Sunny | 7 mph N | 0% |
| Monday Night | 40°F | Mostly Cloudy | 1 to 5 mph NE | 0% |
| Tuesday | 61°F | Mostly Sunny | 3 to 9 mph NE | 0% |
| Tuesday Night | 40°F | Partly Cloudy | 2 to 8 mph NE | 0% |
| Wednesday | 66°F | Mostly Sunny | 2 to 7 mph NE | 1% |
| Wednesday Night | 42°F | Partly Cloudy | 0 to 6 mph E | 5% |
| Thursday | 64°F | Partly Sunny | 1 to 6 mph NE | 7% |
| Thursday Night | 44°F | Mostly Cloudy | 0 to 5 mph NE | 14% |
| Friday | 66°F | Partly Sunny | 1 to 8 mph NE | 14% |
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
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Madrid
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Norfolk
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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 Sep 19, 2026.