Casselman Weather Forecast

    • 43
    • 64

    Chance Rain Showers

    • 36
    • 60

    Partly Sunny

    • 47
    • 63

    Rain Showers

    • 46
    • 65

    Rain Showers

    • 45
    • 58

    Chance Rain Showers

    • 50
    • 65

    Slight Chance Thunderstorms

Today 10 May Somerset

Partly sunny with a chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the mid 60s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

Tonight 10 May Somerset

Partly cloudy with scattered Showers. Lows in the upper 40s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Casselman Temperature Statistics

May Temperature

Garrett County Airport (21.7 miles)

  • Lowest 1 May, 2026

    32 °F

  • Average May

    48.2 °F

  • Highest 5 May, 2026

    71.6 °F

Climate (2021–Present)

Garrett County Airport (21.7 miles)

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  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    56.8 °F
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