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
79°F
Sunny
Sunny, with a high near 79. Southwest wind 3 to 10 mph.
7-day forecast for Hammond
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Sunny | 3 to 10 mph SW | 0% |
| Tonight | 59°F | Mostly Clear | 2 to 7 mph S | 0% |
| Wednesday | 84°F | Sunny | 3 to 7 mph S | 0% |
| Wednesday Night | 66°F | Partly Cloudy then Slight Chance Rain Showers | 1 to 5 mph SW | 21% |
| Thursday | 83°F | Chance Showers And Thunderstorms | 3 to 7 mph S | 51% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 51% |
| Friday | 82°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 36% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 3 mph SW | 39% |
| Saturday | 82°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 39% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms | 6 mph SW | 17% |
| Sunday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 12 mph SW | 17% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 9 mph SW | 45% |
| Monday | 81°F | Chance Rain Showers | 6 to 10 mph SW | 45% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 2 to 8 mph SW | 45% |
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 Aug 4, 2026.