Marcellus Falls Weather Forecast

    • 53
    • 75

    Partly Sunny

    • 62
    • 79

    Chance Rain Showers

    • 61
    • 77

    Chance Rain Showers

    • 57
    • 81

    Mostly Sunny

    • 65
    • 83

    Mostly Sunny

    • 64
    • 86

    Chance Thunderstorms

    • 58
    • 79

    Chance Thunderstorms

Today 18 Aug Onondaga

Partly sunny. Highs in the mid 70s. Northeast Winds around 5 Mph.

Tonight 18 Aug Onondaga

Partly cloudy. Lows in the lower 50s. East Winds around 5 Mph.

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Marcellus Falls Temperature Statistics

August Temperature

Syracuse, Syracuse Hancock International Airport (13.7 miles)

  • Lowest 1 August, 2025

    52.6 °F

  • Average August

    74 °F

  • Highest 12 August, 2025

    95.6 °F

Climate (2020–Present)

Syracuse, Syracuse Hancock International Airport (13.7 miles)

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  • Average Low 2020–2025

    43.1 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    60.9 °F
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