Radnor Weather Forecast

    • 55
    • 73

    Rain Showers Likely

    • 54
    • 75

    Chance Rain Showers

    • 57
    • 78

    Partly Sunny

    • 57
    • 79

    Rain Showers Likely

    • 47
    • 70

    Chance Rain Showers

    • 49
    • 69

    Partly Sunny

    • 56
    • 74

    Rain Showers Likely

Today 21 Apr Delaware

Partly cloudy. Warmer with Highs in the lower 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 21 Apr Delaware

Mostly cloudy. A chance of Showers and Thunderstorms this Evening, then Showers likely with a chance of Thunderstorms after midnight. Warmer with Lows in the mid 50s. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph this evening. Chance of rain 70 percent.

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Radnor Temperature Statistics

April Temperature

Delaware Municipal Airport (6.8 miles)

  • Lowest 8 April, 2026

    26.6 °F

  • Average April

    57.9 °F

  • Highest 15 April, 2026

    82.4 °F

Climate (2021–Present)

Delaware Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    62 °F
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