Mifflinburg Weather Forecast

    • 60
    • 76

    Mostly Cloudy

    • 63
    • 78

    Mostly Cloudy

    • 54
    • 79

    Rain Showers Likely

    • 49
    • 69

    Chance Rain Showers

    • 48
    • 65

    Chance Rain Showers

    • 40
    • 66

    Mostly Sunny

Today 30 Sep Union

Patchy fog this morning. Mostly cloudy. Highs in the upper 70s. Light and variable Winds, becoming southwest around 5 Mph this afternoon.

Tonight 30 Sep Union

Mostly cloudy. Lows around 60. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mifflinburg Temperature Statistics

September Temperature

Selinsgrove Penn Valley Airport (11.2 miles)

  • Lowest 25 September, 2026

    39 °F

  • Average September

    66.1 °F

  • Highest 1 September, 2026

    90 °F

Climate (2021–2026)

Selinsgrove Penn Valley Airport (11.2 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    63.1 °F
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