Marcellus Weather Forecast

    • 22
    • 51

    Rain

    • 27
    • 37

    Chance Snow Showers

    • 18
    • 33

    Chance Snow Showers

    • 18
    • 27

    Rain/Snow Likely

    • 26
    • 37

    Rain/Snow Likely

    • 22
    • 34

    Chance Rain/Snow

Today 19 Dec Onondaga

Rain Showers in the Morning, then a chance of snow and rain Showers likely in the afternoon. Snow accumulation up to 1 inch. Blustery with Highs in the lower 50s. West Winds 15 to 25 Mph with Gusts up to 45 Mph. Chance of precipitation near 100 percent.

Tonight 19 Dec Onondaga

Rain likely. Breezy with Lows around 40. South Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 70 percent.

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Marcellus Temperature Statistics

December Temperature

Syracuse, Syracuse Hancock International Airport (14.3 miles)

  • Lowest 5 December, 2025

    5 °F

  • Average December

    24.3 °F

  • Highest 10 December, 2025

    37.9 °F

Climate (2020–Present)

Syracuse, Syracuse Hancock International Airport (14.3 miles)

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  • Average Low 2020–2025

    42.9 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    60.7 °F
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