Sackets Harbor, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sackets Harbor, a village in Jefferson County, New York.
Tonight
44°F
Mostly Cloudy
Mostly cloudy, with a low around 44. Northeast wind around 8 mph.
7-day forecast for Sackets Harbor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Mostly Cloudy | 8 mph NE | 0% |
| Saturday | 66°F | Mostly Sunny | 3 to 7 mph NE | 0% |
| Saturday Night | 48°F | Mostly Cloudy then Chance Rain Showers | 5 mph E | 50% |
| Sunday | 64°F | Rain Showers Likely | 5 to 10 mph E | 71% |
| Sunday Night | 47°F | Chance Rain Showers then Partly Cloudy | 7 to 12 mph NE | 26% |
| Monday | 62°F | Mostly Sunny | 14 mph NE | 0% |
| Monday Night | 45°F | Mostly Cloudy | 9 to 14 mph NE | 2% |
| Tuesday | 64°F | Partly Sunny | 13 mph NE | 3% |
| Tuesday Night | 45°F | Mostly Cloudy | 6 to 13 mph NE | 6% |
| Wednesday | 64°F | Mostly Sunny | 8 mph E | 11% |
| Wednesday Night | 47°F | Mostly Cloudy then Chance Rain Showers | 5 to 8 mph E | 27% |
| Thursday | 63°F | Chance Rain Showers | 5 to 9 mph E | 27% |
| Thursday Night | 48°F | Slight Chance Rain Showers | 5 to 9 mph NE | 24% |
| Friday | 67°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 9 mph NE | 20% |
Forecast source: National Weather Service (api.weather.gov) for Sackets Harbor (43.938, -76.113). Updated through the day.
Growing snapshot for Sackets Harbor
Last spring frost
May 11
First fall frost
Oct 1
Growing season
140 days
Hardiness zone
5b
More local growing data for Sackets Harbor: nearby ZIP 13685 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Watertown Intl Ap, Ny (5.6 mi from Sackets Harbor). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.