Marietta Weather Forecast

    • 41
    • 68

    Mostly Sunny

    • 40
    • 69

    Mostly Sunny

    • 44
    • 71

    Mostly Sunny

    • 48
    • 72

    Mostly Cloudy

    • 48
    • 73

    Partly Sunny

    • 47
    • 74

    Mostly Sunny

    • 49
    • 75

    Partly Sunny

Today 24 Oct Washington

Partly sunny. Highs in the lower 70s.

Tonight 24 Oct Washington

Mostly clear. Lows around 40. Light and variable Winds.

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Marietta Temperature Statistics

October Temperature

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

  • Lowest 18 October, 2026

    35.7 °F

  • Average October

    60.2 °F

  • Highest 14 October, 2026

    85.6 °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

    66.5 °F
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