Mifflinburg Weather Forecast

    • 62
    • 83

    Severe Tstms

    • 60
    • 81

    Partly Sunny

    • 62
    • 80

    Mostly Sunny

    • 66
    • 84

    Mostly Cloudy

    • 68
    • 84

    Chance Rain Showers

    • 68
    • 85

    Chance Rain Showers

Today 27 Aug Union

Partly sunny. Showers likely with a chance of Thunderstorms this afternoon. Some Thunderstorms may be severe with damaging Winds. Highs in the lower 80s. South Winds around 5 Mph. Chance of rain 70 percent.

Tonight 27 Aug Union

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Patchy fog after midnight. Some Thunderstorms may be severe with damaging Winds. Humid with Lows in the lower 60s. Southwest Winds around 5 Mph, becoming northwest after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

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Mifflinburg Temperature Statistics

August Temperature

Selinsgrove Penn Valley Airport (11.2 miles)

  • Lowest 21 August, 2026

    52 °F

  • Average August

    71.5 °F

  • Highest 17 August, 2026

    89.1 °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

    52.6 °F

  • Average High 2021–2026

    63 °F
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