Marietta Weather Forecast

    • 64
    • 86

    Mostly Cloudy

    • 69
    • 85

    Rain Showers

    • 66
    • 83

    Rain Showers

    • 66
    • 82

    Rain Showers Likely

    • 66
    • 84

    Chance Thunderstorms

    • 68
    • 85

    Chance Rain Showers

    • 68
    • 86

    Chance Thunderstorms

Today 31 Jul Washington

Sunny. Highs in the mid 80s. Light and variable Winds.

Tonight 31 Jul Washington

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

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  • Temperature Real-Time

Marietta Temperature Statistics

July Temperature

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

  • Lowest 23 July, 2026

    53.7 °F

  • Average July

    76.6 °F

  • Highest 3 July, 2026

    94.6 °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

    55.7 °F

  • Average High 2021–2026

    66.5 °F
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