Marietta Weather Forecast

    • 64
    • 80

    Slight Chance Rain Showers

    • 61
    • 83

    Decreasing Clouds

    • 67
    • 85

    Chance Rain Showers

    • 70
    • 88

    Rain Showers

    • 66
    • 86

    Rain Showers Likely

    • 63
    • 84

    Mostly Sunny

    • 64
    • 85

    Mostly Sunny

Today 24 Jul Washington

Mostly cloudy with a slight chance of Showers and Thunderstorms. Highs in the upper 70s. East Winds around 5 Mph. Chance of rain 20 percent.

Tonight 24 Jul Washington

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms this evening. Lows in the mid 60s. East Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 40 percent.

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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 20 July, 2026

    59.6 °F

  • Average July

    78.2 °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

    55.8 °F

  • Average High 2021–2026

    66.5 °F
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