Marietta Weather Forecast

    • 65
    • 85

    Mostly Sunny

    • 69
    • 88

    Partly Sunny

    • 71
    • 90

    Partly Sunny

    • 73
    • 92

    Partly Sunny

    • 72
    • 93

    Partly Sunny

    • 68
    • 89

    Chance Thunderstorms

Today 29 Aug Washington

Sunny. Highs in the mid 80s. East Winds around 5 Mph.

Tonight 29 Aug Washington

Partly cloudy. Lows in the mid 60s. Light and variable Winds, becoming southeast around 5 Mph after midnight.

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  • Temperature Real-Time

Marietta Temperature Statistics

August Temperature

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

  • Lowest 25 August, 2026

    53.1 °F

  • Average August

    73.8 °F

  • Highest 5 August, 2026

    88.6 °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

    66.4 °F
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