Catoctin Mountain Park Weather Forecast

    • 56
    • 72

    Mostly Sunny

    • 64
    • 79

    Mostly Sunny

    • 66
    • 81

    Rain Showers Likely

    • 59
    • 76

    Partly Sunny

    • 63
    • 72

    Mostly Cloudy

    • 62
    • 78

    Chance Rain Showers

Today 15 Sep Frederick

Sunny. Highs in the upper 70s. South Winds around 5 Mph.

Tonight 15 Sep Frederick

Mostly clear. Lows in the upper 50s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Catoctin Mountain Park Temperature Statistics

September Temperature

Hagerstown, Washington County Regional Airport (14.3 miles)

  • Lowest 7 September, 2026

    56.6 °F

  • Average September

    75.5 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Hagerstown, Washington County Regional Airport (14.3 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    66 °F
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