Mifflinburg Weather Forecast

    • 46
    • 67

    Increasing Clouds

    • 51
    • 70

    Mostly Sunny

    • 52
    • 71

    Partly Sunny

    • 52
    • 69

    Mostly Cloudy

    • 50
    • 70

    Partly Sunny

    • 53
    • 71

    Partly Sunny

Today 24 Sep Union

Mostly sunny. Highs in the upper 60s. Northeast Winds around 5 Mph. Gusts up to 20 Mph in the morning.

Tonight 24 Sep Union

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 40s. North Winds around 5 Mph.

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  • Temperature Real-Time

Mifflinburg Temperature Statistics

September Temperature

Selinsgrove Penn Valley Airport (11.2 miles)

  • Lowest 15 September, 2026

    46 °F

  • Average September

    68.6 °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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