Alexandria Bay, NY Weather & Growing Conditions
Today
64°F
Mostly Sunny
Mostly sunny, with a high near 64. Northeast wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Mostly Sunny | 6 mph NE | 0% |
| Tonight | 45°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph E | 15% |
| Sunday | 58°F | Rain Showers | 2 to 8 mph E | 83% |
| Sunday Night | 44°F | Mostly Cloudy | 2 to 7 mph N | 0% |
| Monday | 59°F | Partly Sunny | 9 mph N | 0% |
| Monday Night | 42°F | Mostly Cloudy | 3 to 7 mph NE | 0% |
| Tuesday | 61°F | Mostly Sunny | 6 to 9 mph NE | 0% |
| Tuesday Night | 41°F | Partly Cloudy | 3 to 8 mph NE | 1% |
| Wednesday | 66°F | Mostly Sunny | 3 to 7 mph NE | 1% |
| Wednesday Night | 44°F | Mostly Cloudy | 2 to 6 mph E | 7% |
| Thursday | 64°F | Partly Sunny | 2 to 7 mph NE | 9% |
| Thursday Night | 45°F | Mostly Cloudy then Slight Chance Rain Showers | 2 to 6 mph NE | 15% |
| Friday | 65°F | Slight Chance Rain Showers then Partly Sunny | 3 to 8 mph NE | 15% |
| Friday Night | 45°F | Mostly Cloudy | 2 to 7 mph NE | 14% |
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.