Mifflinburg Weather Forecast

    • 6
    • 30

    Decreasing Clouds

    • 7
    • 18

    Mostly Sunny

    • 25
    • 32

    Mostly Cloudy

    • 17
    • 39

    Partly Sunny

    • 5
    • 26

    Mostly Cloudy

    • 4
    • 15

    Mostly Cloudy

    • 4
    • 16

    Chance Snow

Today 19 Jan Union

Partly sunny. Highs in the upper 20s. West Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 19 Jan Union

Partly cloudy this Evening, then clearing. Lows around 5 above. West Winds 15 to 20 Mph. Gusts up to 40 Mph, decreasing to 30 Mph after midnight. Wind chill Values as low as 10 below after midnight.

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Mifflinburg Temperature Statistics

January Temperature

Selinsgrove Penn Valley Airport (11.2 miles)

  • Lowest 1 January, 2026

    17.1 °F

  • Average January

    31.9 °F

  • Highest 7 January, 2026

    50 °F

Climate (2021–Present)

Selinsgrove Penn Valley Airport (11.2 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    63.1 °F
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