Thompson Park Weather Forecast

    • 52
    • 73

    Mostly Sunny

    • 52
    • 75

    Mostly Sunny

    • 46
    • 74

    Mostly Sunny

    • 50
    • 71

    Mostly Sunny

    • 56
    • 75

    Chance Rain Showers

    • 53
    • 72

    Chance Rain Showers

    • 53
    • 72

    Partly Sunny

Today 9 Sep Jefferson

Sunny. Highs Ranging from the upper 60s on the tug hill to the lower 70s across the lower Elevations. Light southwest Winds.

Tonight 9 Sep Jefferson

Mainly clear. Lows Ranging from around 50 across the tug hill to the mid 50s along the lake Ontario shore. Light southeast Winds.

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Thompson Park Temperature Statistics

September Temperature

Watertown, Watertown International Airport (6.8 miles)

  • Lowest 1 September, 2025

    45 °F

  • Average September

    62.8 °F

  • Highest 4 September, 2025

    80.1 °F

Climate (2020–Present)

Watertown, Watertown International Airport (6.8 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    57.7 °F
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