Swartzville Weather Forecast

    • 12
    • 28

    Gradual Clearing

    • 26
    • 32

    Mostly Cloudy

    • 30
    • 42

    Rain Likely

    • 24
    • 38

    Mostly Cloudy

    • 21
    • 36

    Chance Snow

    • 18
    • 29

    Partly Sunny

Today 8 Dec Lancaster

Cloudy, Colder. Near steady temperature in the upper 20s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 8 Dec Lancaster

Mostly cloudy in the Evening, then clearing. Colder with Lows around 15. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Swartzville Temperature Statistics

December Temperature

Reading, Reading Regional Airport (11.2 miles)

  • Lowest 5 December, 2025

    21 °F

  • Average December

    31.8 °F

  • Highest 1 December, 2025

    43 °F

Climate (2020–Present)

Reading, Reading Regional Airport (11.2 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    55.9 °F

  • Average High 2020–2025

    65 °F
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