Thousand Island Park, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Thousand Island Park, a community in Jefferson County, New York.
This Afternoon
62°F
Slight Chance Rain Showers
A slight chance of rain showers before 2pm. Mostly cloudy, with a high near 62. South wind around 9 mph. Chance of precipitation is 20%.
7-day forecast for Thousand Island Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Slight Chance Rain Showers | 9 mph S | 17% |
| Tonight | 54°F | Partly Cloudy | 10 mph S | 4% |
| Wednesday | 69°F | Mostly Sunny | 5 to 9 mph S | 2% |
| Wednesday Night | 57°F | Mostly Cloudy then Rain Showers Likely | 6 to 12 mph S | 71% |
| Thursday | 64°F | Rain Showers | 9 to 13 mph SW | 77% |
| Thursday Night | 49°F | Mostly Cloudy | 3 to 7 mph SW | 14% |
| Friday | 60°F | Slight Chance Rain Showers | 5 mph W | 24% |
| Friday Night | 43°F | Chance Rain Showers | 7 mph N | 30% |
| Saturday | 52°F | Chance Rain Showers | 7 mph N | 37% |
| Saturday Night | 39°F | Chance Rain Showers | 6 mph W | 35% |
| Sunday | 51°F | Slight Chance Rain Showers then Partly Sunny | 5 to 8 mph W | 21% |
| Sunday Night | 37°F | Chance Rain Showers | 6 mph W | 30% |
| Monday | 51°F | Chance Rain Showers | 5 to 9 mph NW | 30% |
| Monday Night | 37°F | Slight Chance Rain Showers | 8 mph SW | 20% |
Forecast source: National Weather Service (api.weather.gov) for Thousand Island Park (44.286, -76.026). Updated through the day.
Growing snapshot for Thousand Island Park
Last spring frost
May 11
First fall frost
Oct 1
Growing season
140 days
Hardiness zone
5a
More local growing data for Thousand Island Park: nearby ZIP 13692 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Watertown Intl Ap, Ny (20.5 mi from Thousand Island Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.