Catoctin Mountain Park Weather Forecast

    • 28
    • 42

    Gradual Clearing

    • 37
    • 45

    Rain

    • 21
    • 41

    Chance Rain

    • 31
    • 37

    Mostly Cloudy

    • 23
    • 41

    Partly Sunny

    • 25
    • 33

    Slight Chance Freezing Rain

Today 17 Dec Frederick

Mostly sunny in the Morning, then becoming mostly cloudy. Highs in the mid 40s. Southwest Winds around 5 Mph.

Tonight 17 Dec Frederick

Partly cloudy. Lows in the mid 20s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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Catoctin Mountain Park Temperature Statistics

December Temperature

Hagerstown, Washington County Regional Airport (14.3 miles)

  • Lowest 9 December, 2025

    14 °F

  • Average December

    31.5 °F

  • Highest 7 December, 2025

    44.6 °F

Climate (2020–Present)

Hagerstown, Washington County Regional Airport (14.3 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    56.8 °F

  • Average High 2020–2025

    65.8 °F
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