Marietta Weather Forecast

    • 58
    • 80

    Chance Thunderstorms

    • 58
    • 85

    Mostly Sunny

    • 61
    • 87

    Mostly Sunny

    • 65
    • 89

    Slight Chance Thunderstorms

    • 65
    • 88

    Rain Showers Likely

    • 57
    • 81

    Rain Showers Likely

Today 18 May Washington

Partly sunny. Patchy fog in the morning. A slight chance of Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s. Light and variable Winds, becoming north around 5 Mph in the afternoon. Chance of rain 30 percent.

Tonight 18 May Washington

Cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the lower 60s. Light and variable Winds. Chance of rain 20 percent.

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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 11 May, 2024

    42.7 °F

  • Average May

    66.7 °F

  • Highest 2 May, 2024

    88.6 °F

Climate (2019–Present)

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

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  • Average Low 2019–2024

    45.5 °F

  • Average 2019–2024

    55.2 °F

  • Average High 2019–2024

    65.8 °F
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