Mifflinburg Weather Forecast

    • 59
    • 82

    Mostly Sunny

    • 64
    • 83

    Chance Rain Showers

    • 59
    • 78

    Chance Rain Showers

    • 62
    • 79

    Chance Rain Showers

    • 62
    • 79

    Chance Rain Showers

    • 59
    • 79

    Chance Thunderstorms

Today 18 Aug Union

Mostly sunny. Highs in the lower 80s. Northwest Winds around 5 Mph.

Tonight 18 Aug Union

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mifflinburg Temperature Statistics

August Temperature

Selinsgrove Penn Valley Airport (11.2 miles)

  • Lowest 4 August, 2026

    57 °F

  • Average August

    73.8 °F

  • Highest 7 August, 2026

    87.1 °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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