Long Lake Weather Forecast

    • 72
    • 94

    Decreasing Clouds

    • 69
    • 90

    Partly Sunny

    • 69
    • 89

    Mostly Sunny

    • 70
    • 90

    Chance Rain Showers

    • 66
    • 84

    Rain Showers Likely

    • 65
    • 84

    Mostly Sunny

Today 26 Jul Day

Partly sunny. Hot with Highs in the mid 90s. South Winds around 5 Mph. Heat index Values up to 103.

Tonight 26 Jul Day

Mostly clear. Humid with Lows in the lower 70s. West Winds 5 to 10 Mph. Heat index Values up to 102 early in the evening.

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Long Lake Temperature Statistics

July Temperature

Watertown, Watertown Municipal Airport (29.2 miles)

  • Lowest 22 July, 2026

    51.7 °F

  • Average July

    74.4 °F

  • Highest 17 July, 2026

    92.6 °F

Climate (2021–2026)

Watertown, Watertown Municipal Airport (29.2 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    55.9 °F
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