Hammond, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hammond, a village in St. Lawrence County, New York.
Today
63°F
Sunny
Sunny, with a high near 63. Northeast wind around 5 mph.
7-day forecast for Hammond
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Sunny | 5 mph NE | 0% |
| Tonight | 45°F | Mostly Cloudy | 3 mph E | 10% |
| Sunday | 58°F | Rain Showers | 2 to 7 mph E | 86% |
| Sunday Night | 44°F | Mostly Cloudy | 2 to 7 mph N | 2% |
| Monday | 58°F | Partly Sunny | 8 mph N | 0% |
| Monday Night | 41°F | Mostly Cloudy | 6 mph NE | 0% |
| Tuesday | 61°F | Mostly Sunny | 5 to 9 mph NE | 0% |
| Tuesday Night | 41°F | Partly Cloudy | 2 to 9 mph NE | 0% |
| Wednesday | 65°F | Mostly Sunny | 3 to 7 mph NE | 1% |
| Wednesday Night | 44°F | Partly Cloudy | 2 to 6 mph E | 6% |
| Thursday | 64°F | Partly Sunny | 2 to 7 mph NE | 8% |
| Thursday Night | 45°F | Mostly Cloudy | 2 to 6 mph NE | 14% |
| Friday | 65°F | Partly Sunny | 3 to 9 mph NE | 14% |
| Friday Night | 46°F | Partly Cloudy | 2 to 7 mph NE | 11% |
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
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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 Sep 19, 2026.