Mifflinburg Weather Forecast

    • 65
    • 84

    Chance Rain Showers

    • 68
    • 83

    Slight Chance Rain Showers

    • 69
    • 89

    Severe Tstms

    • 68
    • 87

    Chance Thunderstorms

    • 65
    • 86

    Chance Thunderstorms

    • 61
    • 81

    Slight Chance Rain Showers

Today 30 Aug Union

Mostly cloudy. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 30 Aug Union

A slight chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Not as cool with Lows in the mid 60s. North Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mifflinburg Temperature Statistics

August Temperature

Selinsgrove Penn Valley Airport (11.2 miles)

  • Lowest 21 August, 2026

    52 °F

  • Average August

    71.2 °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

    42.2 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    63 °F
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