Carlisle Weather Forecast

    • 33
    • 40

    Increasing Clouds

    • 20
    • 40

    Mostly Sunny

    • 27
    • 37

    Mostly Cloudy

    • 33
    • 44

    Mostly Cloudy

    • 31
    • 45

    Mostly Cloudy

    • 43
    • 49

    Slight Chance Rain Showers

Today 20 Dec Cumberland

Mostly sunny. Much cooler with Highs in the upper 30s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 20 Dec Cumberland

Mostly clear and much cooler. Near steady temperature in the mid 20s. West Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Carlisle Temperature Statistics

December Temperature

Harrisburg, Capital City Airport (17.4 miles)

  • Lowest 16 December, 2025

    9 °F

  • Average December

    29.1 °F

  • Highest 17 December, 2025

    46 °F

Climate (2020–Present)

Harrisburg, Capital City Airport (17.4 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    57.1 °F

  • Average High 2020–2025

    66.5 °F
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