Mifflinburg Weather Forecast

    • 47
    • 61

    Mostly Cloudy

    • 48
    • 63

    Rain

    • 46
    • 52

    Rain

    • 54
    • 67

    Rain Showers Likely

    • 57
    • 72

    Chance Rain Showers

    • 57
    • 80

    Mostly Cloudy

    • 57
    • 82

    Slight Chance Thunderstorms

Today 21 May Union

Cloudy with a 50 percent chance of rain. Much cooler with Highs in the lower 60s. East Winds around 5 Mph.

Tonight 21 May Union

Mostly cloudy. Lows in the upper 40s. Northeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mifflinburg Temperature Statistics

May Temperature

Selinsgrove Penn Valley Airport (11.2 miles)

  • Lowest 12 May, 2026

    32 °F

  • Average May

    57.4 °F

  • Highest 18 May, 2026

    91 °F

Climate (2021–Present)

Selinsgrove Penn Valley Airport (11.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    63.1 °F
Get WillyWeather+ to remove ads