Alexandria Bay, NY Weather & Growing Conditions
Today
78°F
Patchy Fog then Sunny
Patchy fog before 8am. Sunny, with a high near 78. Southwest wind 2 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Patchy Fog then Sunny | 2 to 8 mph SW | 0% |
| Tonight | 58°F | Mostly Clear | 1 to 6 mph S | 0% |
| Wednesday | 83°F | Sunny | 1 to 7 mph S | 0% |
| Wednesday Night | 66°F | Partly Cloudy then Slight Chance Rain Showers | 3 mph S | 23% |
| Thursday | 83°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 41% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms | 5 mph SW | 34% |
| Friday | 82°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 mph SW | 28% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 3 mph SW | 39% |
| Saturday | 82°F | Chance Showers And Thunderstorms | 2 to 8 mph SW | 39% |
| Saturday Night | 65°F | Slight Chance Rain Showers | 7 mph SW | 16% |
| Sunday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 17% |
| Sunday Night | 65°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 9 mph SW | 46% |
| Monday | 80°F | Chance Rain Showers | 9 mph SW | 41% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 41% |
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 Aug 4, 2026.