Marietta Weather Forecast

    • 73
    • 92

    Chance Thunderstorms

    • 68
    • 87

    Rain Showers

    • 60
    • 83

    Mostly Sunny

    • 67
    • 86

    Chance Thunderstorms

    • 67
    • 87

    Thunderstorms Likely

    • 58
    • 79

    Slight Chance Rain Showers

    • 58
    • 79

    Mostly Sunny

Today 17 Jul Washington

Mostly sunny with a slight chance of Showers and Thunderstorms. Areas of smoke and hazy. Hot with Highs in the lower 90s. North Winds around 5 Mph. Chance of rain 20 percent.

Tonight 17 Jul Washington

Mostly cloudy with isolated Showers and Thunderstorms. Areas of smoke this evening. Patchy smoke and fog after midnight. Lows in the lower 70s. Light and variable Winds, becoming southwest around 5 Mph after midnight. Chance of rain 20 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 14 July, 2026

    66 °F

  • Average July

    79 °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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