Hermon, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hermon, a community in St. Lawrence County, New York.
This Afternoon
67°F
Sunny
Sunny, with a high near 67. North wind around 10 mph.
7-day forecast for Hermon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Sunny | 10 mph N | 0% |
| Tonight | 38°F | Partly Cloudy | 3 to 8 mph N | 0% |
| Saturday | 63°F | Sunny | 5 mph NE | 0% |
| Saturday Night | 44°F | Mostly Cloudy then Chance Light Rain | 5 mph E | 37% |
| Sunday | 62°F | Light Rain Likely | 5 mph E | 63% |
| Sunday Night | 44°F | Slight Chance Light Rain then Partly Cloudy | 1 to 5 mph N | 23% |
| Monday | 60°F | Partly Sunny | 5 to 8 mph N | 0% |
| Monday Night | 42°F | Mostly Cloudy | 2 to 7 mph NE | 1% |
| Tuesday | 62°F | Partly Sunny | 5 to 9 mph NE | 2% |
| Tuesday Night | 42°F | Partly Cloudy | 2 to 8 mph NE | 2% |
| Wednesday | 66°F | Mostly Sunny | 3 to 7 mph E | 6% |
| Wednesday Night | 45°F | Mostly Cloudy then Slight Chance Rain Showers | 2 to 6 mph E | 17% |
| Thursday | 65°F | Slight Chance Rain Showers | 2 to 6 mph E | 23% |
| Thursday Night | 47°F | Slight Chance Rain Showers | 1 to 6 mph NE | 23% |
Forecast source: National Weather Service (api.weather.gov) for Hermon (44.467, -75.231). Updated through the day.
Growing snapshot for Hermon
Last spring frost
May 9
First fall frost
Sep 30
Growing season
142 days
Hardiness zone
4b
More local growing data for Hermon: nearby ZIP 13652 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
Heuvelton
Madrid
Massena
Norfolk
Norwood
Ogdensburg
Parishville
Potsdam
Rensselaer Falls
Richville
Star Lake
Waddington
Winthrop
Climate data from the nearest NOAA station, Canton 4 Se, Ny (11.1 mi from Hermon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.