Grantsville Weather Forecast

    • 54
    • 71

    Becoming Sunny

    • 57
    • 75

    Slight Chance Thunderstorms

    • 59
    • 77

    Rain Showers Likely

    • 63
    • 82

    Rain Showers Likely

    • 57
    • 75

    Mostly Sunny

    • 62
    • 80

    Slight Chance Thunderstorms

Today 14 Jun Linn

Mostly sunny. A slight chance of Showers this morning. Not as warm with Highs in the lower 70s. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 14 Jun Linn

Mostly clear. Lows in the mid 50s. North Winds 5 to 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

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Grantsville Temperature Statistics

June Temperature

Chillicothe, Chillicothe Agri-Science Center (26.1 miles)

  • Lowest 3 June, 2026

    56.6 °F

  • Average June

    75.4 °F

  • Highest 9 June, 2026

    90.6 °F

Climate (2021–Present)

Chillicothe, Chillicothe Agri-Science Center (26.1 miles)

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  • Average Low 2021–2026

    45.5 °F

  • Average 2021–2026

    56.2 °F

  • Average High 2021–2026

    67.1 °F
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