Mifflinburg Weather Forecast

    • 58
    • 84

    Chance Rain Showers

    • 57
    • 79

    Mostly Sunny

    • 56
    • 78

    Mostly Sunny

    • 59
    • 80

    Rain Showers

    • 56
    • 76

    Rain Showers Likely

    • 56
    • 78

    Mostly Sunny

Today 18 Jun Union

Mostly cloudy this Morning, then becoming mostly sunny. A slight chance of Thunderstorms. Showers Likely, mainly this morning. Highs in the mid 80s. Southwest Winds 10 to 15 Mph, becoming west 15 to 20 Mph this afternoon. Gusts up to 40 Mph. Chance of rain 60 percent.

Tonight 18 Jun Union

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 50s. West Winds 15 to 20 Mph with Gusts up to 35 Mph, Diminishing to 5 to 10 Mph with Gusts up to 25 Mph after midnight.

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  • Temperature Real-Time

Mifflinburg Temperature Statistics

June Temperature

Selinsgrove Penn Valley Airport (11.2 miles)

  • Lowest 3 June, 2026

    44.1 °F

  • Average June

    68.9 °F

  • Highest 11 June, 2026

    91 °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

    52.6 °F

  • Average High 2021–2026

    63.1 °F
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