Campbelltown Weather Forecast

    • 20
    • 31

    Decreasing Clouds

    • 23
    • 44

    Decreasing Clouds

    • 41
    • 50

    Rain Showers

    • 25
    • 49

    Chance Rain Showers

    • 31
    • 40

    Mostly Cloudy

    • 26
    • 45

    Partly Sunny

    • 26
    • 38

    Mostly Cloudy

Today 16 Dec Lebanon

Mostly sunny. Highs in the lower 30s. Southwest Winds around 5 Mph.

Tonight 16 Dec Lebanon

Partly cloudy this Evening, then clearing. Lows around 20. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Campbelltown Temperature Statistics

December Temperature

Harrisburg, Harrisburg International Airport (10.6 miles)

  • Lowest 9 December, 2025

    12.9 °F

  • Average December

    30 °F

  • Highest 1 December, 2025

    42.1 °F

Climate (2020–Present)

Harrisburg, Harrisburg International Airport (10.6 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    65.2 °F
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