St. Marys Weather Forecast

    • 44
    • 68

    Rain Showers

    • 40
    • 60

    Slight Chance Rain Showers

    • 37
    • 58

    Chance Rain Showers

    • 36
    • 58

    Partly Sunny

    • 44
    • 63

    Partly Sunny

    • 46
    • 67

    Chance Rain Showers

Today 29 Apr Pleasants

Showers likely with a chance of Thunderstorms. Highs in the upper 60s. Southeast Winds around 5 Mph, becoming west with Gusts up to 20 Mph this afternoon. Chance of rain 70 percent.

Tonight 29 Apr Pleasants

Mostly cloudy. A slight chance of Showers in the evening. Cooler with Lows in the mid 40s. Northwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening. Chance of rain 20 percent.

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St. Marys Temperature Statistics

April Temperature

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

  • Lowest 8 April, 2026

    28.7 °F

  • Average April

    63.1 °F

  • Highest 2 April, 2026

    85.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    66.4 °F
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