Cascade Weather Forecast

    • 55
    • 77

    Decreasing Clouds

    • 62
    • 72

    Windy

    • 60
    • 75

    Rain Showers

    • 56
    • 66

    Rain Showers Likely

    • 50
    • 58

    Rain Showers Likely

    • 49
    • 56

    Chance Rain Showers

Today 18 Sep Washington

Mostly cloudy. Highs in the lower 80s. North Winds 5 to 10 Mph.

Tonight 18 Sep Washington

Partly cloudy. Lows in the upper 50s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cascade Temperature Statistics

September Temperature

Hagerstown, Washington County Regional Airport (12.4 miles)

  • Lowest 15 September, 2026

    50 °F

  • Average September

    74.5 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Hagerstown, Washington County Regional Airport (12.4 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    66 °F
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