Naval Air Station Joint Reserve Base Willow Grove Weather Forecast

    • 60
    • 81

    Partly Sunny

    • 60
    • 84

    Mostly Sunny

    • 60
    • 82

    Partly Sunny

    • 60
    • 80

    Mostly Cloudy

    • 60
    • 79

    Chance Rain Showers

    • 61
    • 80

    Chance Rain Showers

    • 62
    • 84

    Partly Sunny

Today 13 Sep Eastern Montgomery

Sunny. Highs in the lower 80s. South Winds around 5 Mph, becoming southwest around 5 Mph this afternoon.

Tonight 13 Sep Eastern Montgomery

Partly cloudy. Patchy fog after midnight. Lows around 60. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Naval Air Station Joint Reserve Base Willow Grove Temperature Statistics

September Temperature

Philadelphia - Wings Field Airport (7.5 miles)

  • Lowest 8 September, 2025

    46.4 °F

  • Average September

    67.7 °F

  • Highest 6 September, 2025

    85.3 °F

Climate (2020–Present)

Philadelphia - Wings Field Airport (7.5 miles)

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  • Average Low 2020–2025

    44.7 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    64.6 °F
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