St. Marys Weather Forecast

    • 9
    • 28

    Increasing Clouds

    • 14
    • 22

    Mostly Sunny

    • 31
    • 42

    Chance Rain

    • 18
    • 39

    Mostly Cloudy

    • 6
    • 27

    Chance Snow

    • 7
    • 16

    Chance Snow

Today 19 Jan Pleasants

Cloudy late this Morning, then becoming mostly sunny. A slight chance of snow Showers late this Morning, then a chance of Flurries this afternoon. Cold with Highs in the upper 20s. Temperature falling into the lower 20s this afternoon. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of snow 20 percent.

Tonight 19 Jan Pleasants

Mostly clear. A chance of Flurries in the evening. Colder with Lows around 8 above. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Values as low as 2 below.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Marys Temperature Statistics

January Temperature

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

  • Lowest 15 January, 2026

    17.6 °F

  • Average January

    36.2 °F

  • Highest 9 January, 2026

    64.9 °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

    55.5 °F

  • Average High 2021–2026

    66.2 °F
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