Thousand Island Park Weather Forecast

    • 63
    • 81

    Decreasing Clouds

    • 64
    • 83

    Mostly Sunny

    • 67
    • 83

    Partly Sunny

    • 65
    • 83

    Rain Showers Likely

    • 61
    • 81

    Chance Rain Showers

    • 61
    • 81

    Mostly Sunny

    • 63
    • 82

    Partly Sunny

Today 6 Jul Jefferson

Cloudy. A chance of Showers late. Highs Ranging from the mid 70s on the tug hill to the lower 80s across the lower Elevations. East Winds around 10 Mph, becoming light. Chance of rain 30 percent.

Tonight 6 Jul Jefferson

Mostly cloudy. Lows Ranging from the lower 60s across the tug hill to the mid 60s along the lake Ontario shore. Light southeast Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thousand Island Park Temperature Statistics

July Temperature

Watertown, Watertown International Airport (19.9 miles)

  • Lowest 4 July, 2026

    60.1 °F

  • Average July

    76.9 °F

  • Highest 1 July, 2026

    91.7 °F

Climate (2021–2026)

Watertown, Watertown International Airport (19.9 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.5 °F
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