Marcellus Weather Forecast

    • 54
    • 62

    Rain Showers

    • 55
    • 64

    Chance Rain Showers

    • 54
    • 67

    Mostly Cloudy

    • 59
    • 74

    Mostly Cloudy

    • 59
    • 74

    Mostly Cloudy

    • 51
    • 70

    Chance Rain Showers

Today 27 Sep Onondaga

A chance of Showers in the Morning, then Showers in the afternoon. Highs in the mid 60s. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

Tonight 27 Sep Onondaga

Mostly cloudy with a chance of Showers in the Evening, then partly cloudy after midnight. Lows in the mid 50s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marcellus Temperature Statistics

September Temperature

Syracuse, Syracuse Hancock International Airport (14.3 miles)

  • Lowest 24 September, 2026

    41 °F

  • Average September

    65.7 °F

  • Highest 2 September, 2026

    85.6 °F

Climate (2021–2026)

Syracuse, Syracuse Hancock International Airport (14.3 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    60.6 °F
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