Grantsville Weather Forecast

    • 69
    • 83

    Chance Thunderstorms

    • 71
    • 86

    Rain Showers

    • 66
    • 85

    Rain Showers

    • 63
    • 84

    Chance Rain Showers

    • 68
    • 87

    Chance Rain Showers

    • 71
    • 91

    Chance Thunderstorms

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    • 92

    Chance Thunderstorms

Today 18 Jul Calhoun

Showers with Thunderstorms likely. Some Thunderstorms may produce heavy rainfall. Near steady temperature around 80. Southwest Winds around 5 Mph. Chance of rain 90 percent.

Tonight 18 Jul Calhoun

Mostly cloudy with a chance of Thunderstorms. Showers, mainly this evening. Areas of fog after midnight. Some Thunderstorms may produce heavy rainfall. Lows in the upper 60s. Light and variable Winds. Chance of rain 90 percent.

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Grantsville Temperature Statistics

July Temperature

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

  • Lowest 4 July, 2025

    63.6 °F

  • Average July

    77.1 °F

  • Highest 5 July, 2025

    91.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    66.2 °F
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