Marietta Weather Forecast

    • 74
    • 97

    Slight Chance Thunderstorms

    • 71
    • 94

    Chance Thunderstorms

    • 70
    • 90

    Rain Showers Likely

    • 69
    • 88

    Thunderstorms Likely

    • 68
    • 85

    Chance Thunderstorms

    • 68
    • 86

    Chance Rain Showers

    • 69
    • 87

    Chance Thunderstorms

Today 3 Jul Washington

Sunny, hot with Highs in the mid 90s. West Winds around 5 Mph. Heat index Values up to 105.

Tonight 3 Jul Washington

Partly cloudy. A slight chance of Showers and Thunderstorms this evening. Lows in the mid 70s. West Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 20 percent. Heat index Values up to 104 early this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marietta Temperature Statistics

July Temperature

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

  • Lowest 1 July, 2026

    72 °F

  • Average July

    81.4 °F

  • Highest 1 July, 2026

    91 °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

    66.4 °F
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