Alexandria Bay, NY Weather & Growing Conditions
Tonight
41°F
Mostly Cloudy
Mostly cloudy, with a low around 41. North wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Mostly Cloudy | 5 mph N | 0% |
| Saturday | 64°F | Sunny | 5 mph NE | 0% |
| Saturday Night | 46°F | Mostly Cloudy then Chance Rain Showers | 3 mph E | 41% |
| Sunday | 62°F | Rain Showers Likely | 2 to 7 mph NE | 55% |
| Sunday Night | 46°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 7 mph N | 16% |
| Monday | 60°F | Mostly Sunny | 9 mph N | 0% |
| Monday Night | 44°F | Mostly Cloudy | 5 to 8 mph NE | 1% |
| Tuesday | 62°F | Partly Sunny | 9 mph NE | 2% |
| Tuesday Night | 44°F | Partly Cloudy | 3 to 8 mph NE | 3% |
| Wednesday | 65°F | Mostly Sunny | 3 to 7 mph NE | 6% |
| Wednesday Night | 46°F | Mostly Cloudy then Slight Chance Rain Showers | 2 to 6 mph E | 21% |
| Thursday | 64°F | Slight Chance Rain Showers | 6 mph NE | 21% |
| Thursday Night | 48°F | Slight Chance Rain Showers | 5 mph NE | 23% |
| Friday | 67°F | Slight Chance Rain Showers | 2 to 7 mph N | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alexandria Bay, NY
Last spring frost
May 14
First fall frost
Sep 26
Growing season
134 days
Hardiness zone
5a
Explore more for Alexandria Bay, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Gouverneur 3 Nw, Ny (19.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.