Marietta Weather Forecast

    • 68
    • 86

    Rain Showers Likely

    • 68
    • 86

    Partly Sunny

    • 70
    • 88

    Chance Thunderstorms

    • 68
    • 86

    Rain Showers

    • 66
    • 81

    Rain Showers Likely

    • 63
    • 82

    Chance Thunderstorms

Today 8 Aug Washington

Partly sunny. A chance of Showers and Thunderstorms, mainly in the morning. Humid with Highs in the mid 80s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 8 Aug Washington

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Marietta Temperature Statistics

August Temperature

Parkersburg, Mid-Ohio Valley Regional Airport (4.3 miles)

  • Lowest 4 August, 2026

    59.6 °F

  • Average August

    74.3 °F

  • Highest 4 August, 2026

    87.7 °F

Climate (2021–2026)

Parkersburg, Mid-Ohio Valley Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    66.5 °F
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