Radnor Weather Forecast

    • 69
    • 85

    Rain Showers

    • 61
    • 83

    Chance Rain Showers

    • 64
    • 85

    Mostly Sunny

    • 64
    • 85

    Chance Thunderstorms

    • 67
    • 87

    Slight Chance Thunderstorms

    • 71
    • 90

    Chance Rain Showers

Today 30 Jun Delaware

Partly cloudy. A chance of Showers and Thunderstorms this Morning, then Showers with Thunderstorms likely this afternoon. Highs in the mid 80s. South Winds 5 to 10 Mph, becoming southwest late. Chance of rain 90 percent.

Tonight 30 Jun Delaware

Partly cloudy. Showers and Thunderstorms likely in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Muggy. Lows around 70. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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Radnor Temperature Statistics

June Temperature

Delaware Municipal Airport (6.8 miles)

  • Lowest 1 June, 2025

    42.8 °F

  • Average June

    73.9 °F

  • Highest 24 June, 2025

    96.8 °F

Climate (2020–Present)

Delaware Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    61.7 °F
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