Casselman Weather Forecast

    • 61
    • 67

    Rain Showers

    • 60
    • 73

    Chance Thunderstorms

    • 61
    • 77

    Rain Showers Likely

    • 60
    • 74

    Rain Showers Likely

    • 52
    • 76

    Chance Rain Showers

    • 48
    • 70

    Partly Sunny

Today 24 May Somerset

Mostly cloudy. A chance of Showers in the Morning, then Showers likely with a chance of Thunderstorms in the afternoon. Areas of fog. Much warmer with Highs in the lower 70s. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 24 May Somerset

Mostly cloudy with a 20 percent chance of Showers. Areas of fog. Near steady temperature in the upper 40s. Southeast Winds 5 to 10 Mph with Gusts up to 25 Mph.

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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

    53.8 °F

  • Highest 18 May, 2026

    84.2 °F

Climate (2021–Present)

Garrett County Airport (21.7 miles)

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    56.8 °F
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