Marietta Weather Forecast

    • 52
    • 75

    Becoming Sunny

    • 58
    • 80

    Mostly Sunny

    • 61
    • 80

    Rain Showers Likely

    • 55
    • 77

    Rain Showers

    • 54
    • 73

    Chance Rain Showers

    • 57
    • 76

    Partly Sunny

Today 20 Aug Onondaga

Patchy fog this morning. Mostly cloudy. Highs in the upper 70s. West Winds around 5 Mph.

Tonight 20 Aug Onondaga

Mostly clear. Lows in the lower 50s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Marietta Temperature Statistics

August Temperature

Syracuse, Syracuse Hancock International Airport (17.4 miles)

  • Lowest 16 August, 2026

    52.6 °F

  • Average August

    74 °F

  • Highest 5 August, 2026

    91.7 °F

Climate (2021–2026)

Syracuse, Syracuse Hancock International Airport (17.4 miles)

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

  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    60.7 °F
Get WillyWeather+ to remove ads