Philadelphia International Airport Weather Forecast

    • 62
    • 87

    Mostly Sunny

    • 60
    • 76

    Partly Sunny

    • 58
    • 74

    Mostly Cloudy

    • 63
    • 79

    Partly Sunny

    • 66
    • 84

    Slight Chance Rain Showers

    • 64
    • 83

    Slight Chance Rain Showers

Today 19 Sep Delaware

Patchy fog in the morning. Sunny, hot with Highs in the mid 80s. Northwest Winds around 5 Mph.

Tonight 19 Sep Delaware

Mostly clear in the Evening, then becoming partly cloudy. Lows around 60. North Winds 5 to 10 Mph.

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Philadelphia International Airport Temperature Statistics

September Temperature

Philadelphia, Philadelphia International Airport (0.6 miles)

  • Lowest 8 September, 2025

    57 °F

  • Average September

    71.6 °F

  • Highest 6 September, 2025

    90 °F

Climate (2020–Present)

Philadelphia, Philadelphia International Airport (0.6 miles)

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  • Average Low 2020–2025

    50.3 °F

  • Average 2020–2025

    58.4 °F

  • Average High 2020–2025

    67 °F
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