Marcellus Weather Forecast

    • 59
    • 81

    Increasing Clouds

    • 60
    • 84

    Partly Sunny

    • 69
    • 88

    Partly Sunny

    • 74
    • 91

    Chance Thunderstorms

    • 75
    • 95

    Mostly Sunny

    • 73
    • 95

    Slight Chance Thunderstorms

    • 69
    • 91

    Chance Thunderstorms

Today 27 Jun Onondaga

Mostly sunny. Highs in the lower 80s. North Winds around 5 Mph.

Tonight 27 Jun Onondaga

Mostly clear. Patchy fog after midnight. Lows in the upper 50s. North Winds around 5 Mph this Evening, becoming light and variable.

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Marcellus Temperature Statistics

June Temperature

Syracuse, Syracuse Hancock International Airport (14.3 miles)

  • Lowest 1 June, 2026

    45.6 °F

  • Average June

    68.3 °F

  • Highest 11 June, 2026

    91.7 °F

Climate (2021–2026)

Syracuse, Syracuse Hancock International Airport (14.3 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    60.6 °F
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