Grantsville Weather Forecast

    • 43
    • 69

    Becoming Sunny

    • 55
    • 76

    Mostly Sunny

    • 44
    • 72

    Rain Showers

    • 40
    • 61

    Partly Sunny

    • 51
    • 70

    Mostly Cloudy

    • 59
    • 84

    Chance Rain Showers

    • 62
    • 88

    Slight Chance Thunderstorms

Today 11 May Calhoun

Sunny. Highs in the upper 60s. North Winds around 5 Mph.

Tonight 11 May Calhoun

Mostly clear. Lows in the lower 40s. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Grantsville Temperature Statistics

May Temperature

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

  • Lowest 3 May, 2026

    30.7 °F

  • Average May

    54.1 °F

  • Highest 5 May, 2026

    76.6 °F

Climate (2021–Present)

Parkersburg, Mid-Ohio Valley Regional Airport (34.2 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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