Radnor Weather Forecast

    • 28
    • 43

    Rain/Snow

    • 29
    • 41

    Partly Sunny

    • 38
    • 46

    Mostly Cloudy

    • 32
    • 50

    Chance Rain

    • 21
    • 37

    Chance Rain/Snow

    • 23
    • 34

    Partly Sunny

Today 11 Jan Delaware

Mostly sunny with scattered rain or snow Showers. Highs in the mid 40s. Temperature falling into the upper 30s. West Winds 10 to 15 Mph with Gusts up to 35 Mph. Chance of precipitation 30 percent.

Tonight 11 Jan Delaware

Mostly clear. Cold with Lows in the upper 20s. West Winds 10 to 15 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Radnor Temperature Statistics

January Temperature

Philadelphia - Wings Field Airport (7.5 miles)

  • Lowest 3 January, 2026

    15.4 °F

  • Average January

    33.5 °F

  • Highest 8 January, 2026

    52.3 °F

Climate (2021–Present)

Philadelphia - Wings Field Airport (7.5 miles)

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  • Average Low 2021–2026

    44.6 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    64.4 °F
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