Marietta Weather Forecast

    • 42
    • 55

    Rain Showers

    • 46
    • 62

    Chance Rain Showers

    • 58
    • 78

    Rain Showers Likely

    • 52
    • 75

    Partly Sunny

    • 64
    • 81

    Slight Chance Thunderstorms

    • 61
    • 86

    Rain Showers Likely

Today 14 May Onondaga

Mostly cloudy. Highs in the upper 50s. Southwest Winds around 5 Mph, becoming west this afternoon.

Tonight 14 May Onondaga

Mostly cloudy. A chance of Showers in the Evening, then Showers likely after midnight. Lows in the lower 40s. Northwest Winds around 5 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marietta Temperature Statistics

May Temperature

Syracuse, Syracuse Hancock International Airport (17.4 miles)

  • Lowest 1 May, 2026

    35.7 °F

  • Average May

    49.8 °F

  • Highest 4 May, 2026

    74.6 °F

Climate (2021–Present)

Syracuse, Syracuse Hancock International Airport (17.4 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    60.7 °F
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