Grantsville Weather Forecast

    • 43
    • 71

    Mostly Sunny

    • 46
    • 74

    Sunny

    • 49
    • 79

    Mostly Sunny

    • 50
    • 81

    Mostly Sunny

    • 52
    • 82

    Sunny

    • 53
    • 83

    Mostly Sunny

    • 54
    • 84

    Mostly Sunny

Today 7 Sep Calhoun

Sunny. Highs in the lower 70s. Northwest Winds around 5 Mph.

Tonight 7 Sep Calhoun

Mostly clear. Lows in the mid 40s. North Winds around 5 Mph this Evening, becoming light and variable.

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  • Temperature Real-Time

Grantsville Temperature Statistics

September Temperature

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

  • Lowest 1 September, 2025

    50 °F

  • Average September

    67.4 °F

  • Highest 5 September, 2025

    84.2 °F

Climate (2020–Present)

Parkersburg, Mid-Ohio Valley Regional Airport (34.2 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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