Hammond, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hammond, a village in St. Lawrence County, New York.
Tonight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. South wind around 8 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Hammond
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Partly Cloudy | 8 mph S | 7% |
| Wednesday | 74°F | Mostly Sunny | 5 to 9 mph S | 4% |
| Wednesday Night | 55°F | Mostly Cloudy then Light Rain | 6 to 10 mph S | 86% |
| Thursday | 68°F | Rain Showers | 9 to 16 mph SW | 83% |
| Thursday Night | 48°F | Mostly Cloudy | 2 to 7 mph SW | 14% |
| Friday | 61°F | Slight Chance Rain Showers | 3 mph W | 21% |
| Friday Night | 42°F | Chance Light Rain | 3 mph N | 27% |
| Saturday | 52°F | Chance Light Rain | 7 mph N | 36% |
| Saturday Night | 36°F | Chance Light Rain | 5 mph W | 36% |
| Sunday | 51°F | Slight Chance Light Rain then Partly Sunny | 3 to 8 mph SW | 24% |
| Sunday Night | 34°F | Chance Light Rain | 3 mph W | 26% |
| Monday | 51°F | Chance Light Rain | 2 to 8 mph NW | 26% |
| Monday Night | 35°F | Slight Chance Light Rain | 6 mph SW | 22% |
| Tuesday | 52°F | Slight Chance Light Rain | 6 to 12 mph SW | 22% |
Forecast source: National Weather Service (api.weather.gov) for Hammond (44.446, -75.693). Updated through the day.
Growing snapshot for Hammond
Last spring frost
May 14
First fall frost
Sep 26
Growing season
134 days
Hardiness zone
5a
More local growing data for Hammond: nearby ZIP 13646 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Brasher Falls
Canton
Colton
Cranberry Lake
DeKalb Junction
Edwards
Gouverneur
Hailesboro
Hannawa Falls
Hermon
Heuvelton
Madrid
Massena
Norfolk
Norwood
Ogdensburg
Parishville
Potsdam
Rensselaer Falls
Richville
Star Lake
Waddington
Winthrop
Climate data from the nearest NOAA station, Gouverneur 3 Nw, Ny (10.8 mi from Hammond). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.