Mifflinburg Weather Forecast

    • 21
    • 47

    Increasing Clouds

    • 25
    • 29

    Snow/Sleet

    • 24
    • 37

    Mostly Cloudy

    • 32
    • 37

    Rain

    • 22
    • 47

    Slight Chance Rain Showers

    • 21
    • 30

    Mostly Cloudy

    • 21
    • 33

    Mostly Cloudy

Today 25 Dec Union

Partly sunny. Highs in the mid 40s. Temperature falling into the upper 30s late. North Winds around 10 Mph with Gusts up to 25 Mph.

Tonight 25 Dec Union

Partly cloudy. Cooler with Lows in the lower 20s. North Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mifflinburg Temperature Statistics

December Temperature

Selinsgrove Penn Valley Airport (11.2 miles)

  • Lowest 9 December, 2025

    5 °F

  • Average December

    28.4 °F

  • Highest 19 December, 2025

    57 °F

Climate (2020–Present)

Selinsgrove Penn Valley Airport (11.2 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    63.1 °F
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