Marcellus Weather Forecast

    • 64
    • 83

    Increasing Clouds

    • 63
    • 82

    Chance Thunderstorms

    • 65
    • 83

    Rain Showers

    • 61
    • 79

    Rain Showers

    • 59
    • 75

    Rain Showers Likely

    • 60
    • 77

    Chance Rain Showers

    • 63
    • 81

    Partly Sunny

Today 25 Jul Onondaga

Mostly sunny. Highs in the mid 80s. South Winds around 5 Mph.

Tonight 25 Jul Onondaga

Partly cloudy. A slight chance of Showers after midnight. Lows in the lower 60s. South Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marcellus Temperature Statistics

July Temperature

Syracuse, Syracuse Hancock International Airport (14.3 miles)

  • Lowest 23 July, 2026

    52 °F

  • Average July

    74.7 °F

  • Highest 14 July, 2026

    98.7 °F

Climate (2021–2026)

Syracuse, Syracuse Hancock International Airport (14.3 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    60.6 °F
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