St. Marys Weather Forecast

    • 64
    • 81

    Rain Showers

    • 63
    • 86

    Mostly Sunny

    • 64
    • 87

    Mostly Sunny

    • 65
    • 89

    Mostly Sunny

    • 69
    • 91

    Partly Sunny

    • 70
    • 93

    Slight Chance Thunderstorms

Today 1 Jul Pleasants

Showers with a chance of Thunderstorms late this Morning, then Showers with Thunderstorms likely this afternoon. Patchy fog. Near steady temperature in the mid 70s. Southwest Winds around 5 Mph, becoming northwest this afternoon. Chance of rain 90 percent.

Tonight 1 Jul Pleasants

Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then partly cloudy after midnight. Areas of fog. Lows in the mid 60s. Light and variable Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

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St. Marys Temperature Statistics

July Temperature

Parkersburg, Mid-Ohio Valley Regional Airport (13 miles)

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  • Average July

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Climate (2020–Present)

Parkersburg, Mid-Ohio Valley Regional Airport (13 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    66.2 °F
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