Carlisle Weather Forecast

    • 57
    • 85

    Mostly Sunny

    • 56
    • 86

    Mostly Sunny

    • 58
    • 78

    Partly Sunny

    • 60
    • 75

    Mostly Cloudy

    • 60
    • 82

    Partly Sunny

    • 62
    • 85

    Slight Chance Rain Showers

Today 18 Sep Cumberland

Areas of dense fog this morning. Sunny. Visibility one quarter mile or less at Times this morning. Warmer with Highs in the mid 80s. West Winds around 5 Mph.

Tonight 18 Sep Cumberland

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

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Carlisle Temperature Statistics

September Temperature

Harrisburg, Capital City Airport (17.4 miles)

  • Lowest 8 September, 2025

    46 °F

  • Average September

    68.3 °F

  • Highest 14 September, 2025

    86 °F

Climate (2020–Present)

Harrisburg, Capital City Airport (17.4 miles)

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    57.3 °F

  • Average High 2020–2025

    66.7 °F
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