Marietta Weather Forecast

    • 53
    • 76

    Mostly Sunny

    • 53
    • 78

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 56
    • 80

    Partly Sunny

    • 56
    • 81

    Mostly Sunny

    • 51
    • 79

    Partly Sunny

Today 14 Sep Onondaga

Mostly sunny. Highs in the upper 70s. West Winds around 5 Mph, becoming northwest in the afternoon.

Tonight 14 Sep Onondaga

Partly cloudy. Lows in the mid 50s. Southwest Winds around 5 Mph.

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Marietta Temperature Statistics

September Temperature

Syracuse, Syracuse Hancock International Airport (17.4 miles)

  • Lowest 9 September, 2025

    43 °F

  • Average September

    63 °F

  • Highest 4 September, 2025

    82 °F

Climate (2020–Present)

Syracuse, Syracuse Hancock International Airport (17.4 miles)

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  • Average Low 2020–2025

    43.1 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    60.8 °F
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