Swarthmore Weather Forecast

    • 59
    • 75

    Decreasing Clouds

    • 62
    • 79

    Mostly Cloudy

    • 65
    • 82

    Partly Sunny

    • 63
    • 84

    Mostly Cloudy

    • 59
    • 73

    Rain Showers Likely

    • 56
    • 69

    Rain Showers Likely

Today 29 Sep Delaware

Partly sunny. Highs in the mid 70s. Northwest Winds around 5 Mph.

Tonight 29 Sep Delaware

Partly cloudy. Lows in the upper 50s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Swarthmore Temperature Statistics

September Temperature

Philadelphia, Philadelphia International Airport (6.2 miles)

  • Lowest 24 September, 2026

    54.6 °F

  • Average September

    73.5 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Philadelphia, Philadelphia International Airport (6.2 miles)

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

  • Average Low 2021–2026

    50.3 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    67.2 °F
Get WillyWeather+ to remove ads