Hermon, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hermon, a community in St. Lawrence County, New York.
Tonight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. South wind around 10 mph.
7-day forecast for Hermon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Partly Cloudy | 10 mph S | 5% |
| Wednesday | 76°F | Mostly Sunny | 6 to 9 mph S | 5% |
| Wednesday Night | 52°F | Mostly Cloudy then Light Rain Likely | 8 to 13 mph S | 62% |
| Thursday | 72°F | Rain Showers | 10 to 14 mph SW | 88% |
| Thursday Night | 49°F | Chance Rain Showers | 3 to 8 mph SW | 26% |
| Friday | 61°F | Slight Chance Rain Showers | 3 mph W | 23% |
| Friday Night | 41°F | Chance Light Rain | 2 mph N | 25% |
| Saturday | 53°F | Chance Light Rain | 3 to 7 mph N | 42% |
| Saturday Night | 36°F | Chance Light Rain | 5 mph W | 42% |
| Sunday | 51°F | Chance Light Rain then Partly Sunny | 3 to 8 mph SW | 33% |
| Sunday Night | 33°F | Chance Light Rain | 5 mph SW | 28% |
| Monday | 50°F | Chance Light Rain | 3 to 9 mph W | 29% |
| Monday Night | 32°F | Chance Light Rain | 6 mph SW | 29% |
| Tuesday | 51°F | Chance Light Rain | 6 to 13 mph SW | 27% |
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 Nov 4, 2026.