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.
Today
77°F
Sunny
Sunny, with a high near 77. Southwest wind 8 to 12 mph.
7-day forecast for Thousand Island Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Sunny | 8 to 12 mph SW | 0% |
| Tonight | 60°F | Mostly Clear | 2 to 6 mph S | 0% |
| Wednesday | 82°F | Sunny | 3 to 8 mph S | 0% |
| Wednesday Night | 67°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph S | 24% |
| Thursday | 81°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 40% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms | 6 mph SW | 31% |
| Friday | 80°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 mph SW | 29% |
| Friday Night | 65°F | Chance Showers And Thunderstorms | 6 mph SW | 41% |
| Saturday | 80°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 41% |
| Saturday Night | 66°F | Slight Chance Rain Showers | 7 mph SW | 17% |
| Sunday | 80°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 12 mph SW | 17% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 9 mph SW | 46% |
| Monday | 79°F | Chance Rain Showers | 7 to 10 mph SW | 41% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 43% |
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 Aug 4, 2026.