Marcellus Weather Forecast

    • 16
    • 25

    Mostly Cloudy

    • 9
    • 26

    Chance Snow Showers

    • 8
    • 15

    Chance Snow Showers

    • 21
    • 30

    Chance Snow Showers

    • 11
    • 25

    Chance Snow Showers

    • 11
    • 24

    Chance Snow

Today 18 Jan Onondaga

Partly sunny. Highs in the upper 20s. Southwest Winds 5 to 10 Mph, becoming west in the afternoon.

Tonight 18 Jan Onondaga

Mostly cloudy with a 30 percent chance of snow Showers. Lows in the lower 20s. West Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Marcellus Temperature Statistics

January Temperature

Syracuse, Syracuse Hancock International Airport (14.3 miles)

  • Lowest 15 January, 2026

    10.9 °F

  • Average January

    30.2 °F

  • Highest 9 January, 2026

    51.1 °F

Climate (2021–Present)

Syracuse, Syracuse Hancock International Airport (14.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    60.7 °F
Get WillyWeather+ to remove ads