Marietta Weather Forecast

    • 52
    • 77

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

    • 53
    • 79

    Partly Sunny

    • 52
    • 78

    Mostly Sunny

    • 51
    • 77

    Mostly Sunny

    • 53
    • 79

    Mostly Sunny

    • 59
    • 83

    Mostly Sunny

Today 29 May Washington

Sunny. Highs in the upper 70s. West Winds around 5 Mph.

Tonight 29 May Washington

Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 50s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marietta Temperature Statistics

May Temperature

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

  • Lowest 3 May, 2026

    30.7 °F

  • Average May

    61.3 °F

  • Highest 18 May, 2026

    89.7 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    66.4 °F
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