Grantsville Weather Forecast

    • 50
    • 66

    Mostly Cloudy

    • 54
    • 62

    Chance Rain

    • 56
    • 62

    Mostly Cloudy

    • 54
    • 68

    Partly Sunny

    • 57
    • 73

    Mostly Cloudy

    • 60
    • 74

    Mostly Cloudy

    • 57
    • 71

    Chance Rain Showers

Today 26 Sep Eastern Garrett

Mostly sunny. Highs in the lower 70s. Except in the mid 60s at the higher Elevations. Northwest Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 26 Sep Eastern Garrett

Mostly cloudy. A slight chance of rain in the evening. Lows around 50. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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Grantsville Temperature Statistics

September Temperature

Garrett County Airport (12.4 miles)

  • Lowest 24 September, 2026

    44.6 °F

  • Average September

    65.3 °F

  • Highest 2 September, 2026

    84.2 °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

    57 °F
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