Star Lake, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Star Lake, a community in St. Lawrence County, New York.
Tonight
39°F
Partly Cloudy then Chance Light Rain
A chance of rain after 5am. Partly cloudy. Low around 39, with temperatures rising to around 45 overnight. South wind 0 to 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Star Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 39°F | Partly Cloudy then Chance Light Rain | 0 to 6 mph S | 28% |
| Sunday | 55°F | Light Rain | 2 to 7 mph SE | 100% |
| Sunday Night | 38°F | Mostly Cloudy | 2 to 7 mph N | 0% |
| Monday | 56°F | Mostly Sunny | 8 mph N | 0% |
| Monday Night | 41°F | Mostly Clear | 2 to 7 mph NE | 0% |
| Tuesday | 61°F | Sunny | 3 mph NE | 0% |
| Tuesday Night | 38°F | Partly Cloudy | 3 mph E | 1% |
| Wednesday | 65°F | Mostly Sunny | 5 mph E | 1% |
| Wednesday Night | 38°F | Partly Cloudy | 3 mph E | 2% |
| Thursday | 64°F | Mostly Sunny | 3 mph E | 4% |
| Thursday Night | 39°F | Mostly Cloudy | 2 mph E | 12% |
| Friday | 64°F | Partly Sunny then Slight Chance Rain Showers | 5 mph NE | 21% |
| Friday Night | 41°F | Slight Chance Rain Showers | 3 mph NE | 21% |
| Saturday | 66°F | Slight Chance Rain Showers then Partly Sunny | 5 mph NE | 15% |
Forecast source: National Weather Service (api.weather.gov) for Star Lake (44.170, -75.039). Updated through the day.
Growing snapshot for Star Lake
Last spring frost
May 18
First fall frost
Sep 28
Growing season
132 days
Hardiness zone
4a
More local growing data for Star Lake: nearby ZIP 13690 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
Rensselaer Falls
Richville
Waddington
Winthrop
Climate data from the nearest NOAA station, Wanakena Rngr School, Ny (5.7 mi from Star Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.