Casselman Weather Forecast

    • 63
    • 76

    Slight Chance Rain Showers

    • 64
    • 79

    Rain Showers Likely

    • 59
    • 75

    Chance Rain Showers

    • 58
    • 78

    Mostly Sunny

    • 61
    • 81

    Chance Thunderstorms

    • 55
    • 77

    Chance Rain Showers

    • 49
    • 72

    Mostly Sunny

Today 19 Aug Somerset

Partly sunny. Near steady temperature in the lower 70s. Southeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 19 Aug Somerset

Mostly cloudy. A slight chance of Showers. Lows in the lower 60s. Southeast Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Casselman Temperature Statistics

August Temperature

Garrett County Airport (21.7 miles)

  • Lowest 3 August, 2025

    53.6 °F

  • Average August

    66.9 °F

  • Highest 11 August, 2025

    82.4 °F

Climate (2020–Present)

Garrett County Airport (21.7 miles)

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  • Average Low 2020–2025

    41.8 °F

  • Average 2020–2025

    48.6 °F

  • Average High 2020–2025

    56.4 °F
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