Alexandria Bay, NY Weather & Growing Conditions
Today
74°F
Mostly Sunny
Mostly sunny. High near 74, with temperatures falling to around 68 in the afternoon. Southwest wind 6 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Mostly Sunny | 6 to 9 mph SW | 0% |
| Tonight | 57°F | Mostly Cloudy then Rain Showers Likely | 7 to 12 mph S | 73% |
| Thursday | 67°F | Rain Showers | 8 to 12 mph SW | 95% |
| Thursday Night | 48°F | Mostly Cloudy | 6 mph SW | 2% |
| Friday | 61°F | Slight Chance Rain Showers | 5 mph W | 17% |
| Friday Night | 41°F | Chance Rain Showers | 2 to 6 mph NE | 32% |
| Saturday | 52°F | Chance Rain Showers | 8 mph NE | 44% |
| Saturday Night | 35°F | Chance Rain Showers | 6 mph N | 44% |
| Sunday | 51°F | Chance Rain Showers | 3 to 9 mph W | 28% |
| Sunday Night | 34°F | Slight Chance Rain Showers | 6 mph W | 24% |
| Monday | 52°F | Slight Chance Rain Showers | 5 to 9 mph W | 24% |
| Monday Night | 34°F | Slight Chance Rain Showers | 5 mph SW | 18% |
| Tuesday | 53°F | Chance Rain Showers | 5 to 13 mph SW | 37% |
| Tuesday Night | 31°F | Chance Rain Showers | 3 to 7 mph W | 37% |
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 Nov 4, 2026.