Alexandria Bay, NY Weather & Growing Conditions
This Afternoon
71°F
Mostly Sunny
Mostly sunny, with a high near 71. Southwest wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 2 to 6 mph SW | 2% |
| Tonight | 57°F | Mostly Cloudy then Rain Showers | 5 to 8 mph S | 73% |
| Thursday | 65°F | Rain Showers then Mostly Cloudy | 8 to 14 mph SW | 80% |
| Thursday Night | 48°F | Mostly Cloudy | 2 to 10 mph SW | 12% |
| Friday | 60°F | Chance Rain Showers | 3 mph SW | 25% |
| Friday Night | 42°F | Chance Rain Showers | 3 mph N | 53% |
| Saturday | 52°F | Rain Showers Likely | 7 mph N | 64% |
| Saturday Night | 34°F | Chance Rain Showers | 6 mph NW | 51% |
| Sunday | 51°F | Chance Rain Showers | 5 to 10 mph W | 27% |
| Sunday Night | 35°F | Chance Rain Showers | 8 mph W | 26% |
| Monday | 50°F | Chance Rain Showers then Partly Sunny | 6 to 10 mph W | 26% |
| Monday Night | 35°F | Partly Cloudy | 5 to 8 mph W | 6% |
| Tuesday | 54°F | Slight Chance Rain Showers | 8 to 12 mph SW | 15% |
| Tuesday Night | 32°F | Slight Chance Rain Showers then Partly Cloudy | 7 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alexandria Bay, NY
Last spring frost
May 11
First fall frost
Oct 1
Growing season
140 days
Hardiness zone
5b
Explore more for Alexandria Bay, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Watertown Intl Ap, Ny (23.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.