Bryn Athyn Weather Forecast

    • 51
    • 72

    Rain Showers

    • 45
    • 66

    Partly Sunny

    • 50
    • 66

    Partly Sunny

    • 51
    • 67

    Chance Rain Showers

    • 55
    • 79

    Rain Showers Likely

    • 45
    • 67

    Chance Rain Showers

    • 48
    • 66

    Partly Sunny

Today 6 May Eastern Montgomery

Showers. Not as warm with Highs in the lower 70s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

Tonight 6 May Eastern Montgomery

Mostly cloudy. Showers likely with a slight chance of Thunderstorms this Evening, then a chance of Showers after midnight. Cooler with Lows around 50. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest after midnight. Chance of rain 70 percent.

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Bryn Athyn Temperature Statistics

May Temperature

Philadelphia, Northeast Philadelphia Airport (4.3 miles)

  • Lowest 1 May, 2026

    45 °F

  • Average May

    57.2 °F

  • Highest 4 May, 2026

    73 °F

Climate (2021–Present)

Philadelphia, Northeast Philadelphia Airport (4.3 miles)

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    66.4 °F
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