Grantsville Weather Forecast

    • 65
    • 78

    Rain Showers

    • 67
    • 77

    Rain Showers

    • 58
    • 77

    Chance Rain Showers

    • 58
    • 75

    Mostly Sunny

    • 63
    • 79

    Chance Rain Showers

    • 56
    • 75

    Chance Rain Showers

Today 15 Aug Eastern Garrett

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. Except in the upper 70s at the higher Elevations. Southeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 15 Aug Eastern Garrett

Mostly cloudy. Showers likely with a chance of Thunderstorms after midnight. Lows in the mid 60s. Southeast Winds around 5 Mph. Chance of rain 70 percent.

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Grantsville Temperature Statistics

August Temperature

Garrett County Airport (12.4 miles)

  • Lowest 12 August, 2026

    60.8 °F

  • Average August

    69.3 °F

  • Highest 4 August, 2026

    80.6 °F

Climate (2021–2026)

Garrett County Airport (12.4 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    49 °F

  • Average High 2021–2026

    56.9 °F
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