Radnor Township Weather Forecast

    • 24
    • 31

    Mostly Cloudy

    • 23
    • 34

    Mostly Cloudy

    • 18
    • 29

    Partly Sunny

    • 23
    • 33

    Partly Sunny

    • 21
    • 36

    Mostly Cloudy

    • 23
    • 35

    Partly Sunny

Today 30 Dec Delaware

Partly sunny and Blustery. Much cooler with Highs in the lower 30s. West Winds 15 to 25 Mph with Gusts up to 40 Mph, Diminishing to 10 to 15 Mph with Gusts up to 30 Mph in the afternoon.

Tonight 30 Dec Delaware

Partly cloudy in the Evening, then becoming mostly cloudy. Cold with Lows in the mid 20s.

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Radnor Township Temperature Statistics

December Temperature

Philadelphia - Wings Field Airport (8.7 miles)

  • Lowest 9 December, 2025

    8.8 °F

  • Average December

    31.8 °F

  • Highest 19 December, 2025

    58.1 °F

Climate (2020–Present)

Philadelphia - Wings Field Airport (8.7 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    64.5 °F
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