Madrid, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Madrid, a community in St. Lawrence County, New York.
Tonight
39°F
Partly Cloudy
Partly cloudy, with a low around 39. North wind 2 to 6 mph.
7-day forecast for Madrid
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 39°F | Partly Cloudy | 2 to 6 mph N | 0% |
| Saturday | 63°F | Sunny | 5 mph NE | 0% |
| Saturday Night | 44°F | Mostly Cloudy then Chance Light Rain | 1 to 5 mph E | 27% |
| Sunday | 62°F | Chance Light Rain | 1 to 5 mph NE | 46% |
| Sunday Night | 45°F | Partly Cloudy | 1 to 5 mph N | 12% |
| Monday | 60°F | Partly Sunny | 6 to 9 mph N | 0% |
| Monday Night | 42°F | Mostly Cloudy | 3 to 7 mph NE | 0% |
| Tuesday | 62°F | Partly Sunny | 6 to 10 mph NE | 1% |
| Tuesday Night | 42°F | Partly Cloudy | 2 to 9 mph NE | 2% |
| Wednesday | 66°F | Mostly Sunny | 3 to 9 mph NE | 5% |
| Wednesday Night | 45°F | Partly Cloudy | 1 to 8 mph E | 14% |
| Thursday | 65°F | Slight Chance Rain Showers | 2 to 6 mph NE | 19% |
| Thursday Night | 47°F | Slight Chance Rain Showers | 0 to 6 mph NE | 20% |
| Friday | 68°F | Partly Sunny | 2 to 7 mph N | 14% |
Forecast source: National Weather Service (api.weather.gov) for Madrid (44.747, -75.129). Updated through the day.
Growing snapshot for Madrid
Last spring frost
May 9
First fall frost
Sep 30
Growing season
142 days
Hardiness zone
4b
More local growing data for Madrid: nearby ZIP 13660 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Brasher Falls
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Cranberry Lake
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Gouverneur
Hailesboro
Hammond
Hannawa Falls
Hermon
Heuvelton
Massena
Norfolk
Norwood
Ogdensburg
Parishville
Potsdam
Rensselaer Falls
Richville
Star Lake
Waddington
Winthrop
Climate data from the nearest NOAA station, Canton 4 Se, Ny (13.8 mi from Madrid). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.