Lansdowne Weather Forecast

    • 64
    • 84

    Chance Rain Showers

    • 70
    • 86

    Mostly Sunny

    • 60
    • 88

    Rain Showers Likely

    • 55
    • 72

    Slight Chance Rain Showers

    • 52
    • 72

    Mostly Sunny

    • 54
    • 76

    Mostly Cloudy

Today 4 Sep Delaware

Partly sunny. Near steady temperature in the lower 80s. South Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 4 Sep Delaware

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Humid with Lows in the mid 60s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

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Lansdowne Temperature Statistics

September Temperature

Philadelphia, Philadelphia International Airport (5 miles)

  • Lowest 2 September, 2025

    61 °F

  • Average September

    70.4 °F

  • Highest 1 September, 2025

    81 °F

Climate (2020–Present)

Philadelphia, Philadelphia International Airport (5 miles)

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  • Average Low 2020–2025

    50.3 °F

  • Average 2020–2025

    58.4 °F

  • Average High 2020–2025

    66.9 °F
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