Bryn Athyn Weather Forecast

    • 25
    • 32

    Mostly Cloudy

    • 26
    • 42

    Partly Sunny

    • 24
    • 41

    Slight Chance Rain/Snow

    • 16
    • 33

    Mostly Sunny

    • 27
    • 36

    Slight Chance Snow

    • 31
    • 42

    Chance Rain

Today 5 Dec Eastern Montgomery

Partly sunny in the Morning, then mostly cloudy with a slight chance of snow in the afternoon. Cold with Highs in the lower 30s. East Winds around 5 Mph. Chance of snow 20 percent.

Tonight 5 Dec Eastern Montgomery

Mostly cloudy. Cold with Lows in the mid 20s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Bryn Athyn Temperature Statistics

December Temperature

Philadelphia, Northeast Philadelphia Airport (4.3 miles)

  • Lowest 1 December, 2025

    28.9 °F

  • Average December

    36.4 °F

  • Highest 1 December, 2025

    44.1 °F

Climate (2020–Present)

Philadelphia, Northeast Philadelphia Airport (4.3 miles)

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

  • Average Low 2020–2025

    48.4 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    66.5 °F
Get WillyWeather+ to remove ads