Grantsville Weather Forecast

    • 13
    • 25

    Becoming Sunny

    • 30
    • 40

    Partly Sunny

    • 29
    • 46

    Mostly Cloudy

    • 26
    • 56

    Rain

    • 22
    • 33

    Partly Sunny

    • 35
    • 51

    Chance Rain

Today 15 Dec Calhoun

Mostly sunny. Cold with Highs in the mid 20s. Southwest Winds around 5 Mph.

Tonight 15 Dec Calhoun

Partly cloudy in the Evening, then clearing. Not as cold with Lows around 14. Southwest Winds around 5 Mph.

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Grantsville Temperature Statistics

December Temperature

Parkersburg, Mid-Ohio Valley Regional Airport (34.2 miles)

  • Lowest 9 December, 2025

    15.1 °F

  • Average December

    31 °F

  • Highest 10 December, 2025

    46.4 °F

Climate (2020–Present)

Parkersburg, Mid-Ohio Valley Regional Airport (34.2 miles)

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  • Average Low 2020–2025

    45.2 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    66.1 °F
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