Mifflinburg Weather Forecast

    • 36
    • 63

    Decreasing Clouds

    • 48
    • 66

    Chance Rain Showers

    • 46
    • 65

    Rain Showers

    • 48
    • 61

    Chance Rain Showers

    • 47
    • 69

    Mostly Cloudy

    • 56
    • 77

    Partly Sunny

    • 56
    • 82

    Slight Chance Thunderstorms

Today 11 May Union

Mostly cloudy. Near steady temperature in the upper 50s. Northwest Winds 5 to 10 Mph.

Tonight 11 May Union

Partly cloudy this Evening, then becoming clear. Lows in the mid 30s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mifflinburg Temperature Statistics

May Temperature

Selinsgrove Penn Valley Airport (11.2 miles)

  • Lowest 1 May, 2026

    34 °F

  • Average May

    53.4 °F

  • Highest 5 May, 2026

    80.1 °F

Climate (2021–Present)

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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