Thornton Weather Forecast

    • 22
    • 47

    Mostly Cloudy

    • 28
    • 30

    Wintry Mix

    • 24
    • 35

    Chance Wintry Mix

    • 34
    • 39

    Rain

    • 22
    • 44

    Slight Chance Rain

    • 21
    • 30

    Partly Sunny

Today 25 Dec Delaware

Partly sunny. A slight chance of rain this morning. Highs in the upper 40s. Southwest Winds 5 to 10 Mph, becoming northwest this afternoon. Chance of rain 20 percent.

Tonight 25 Dec Delaware

Mostly clear. Cold with Lows in the lower 20s. North Winds 5 to 10 Mph.

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Thornton Temperature Statistics

December Temperature

Philadelphia, Philadelphia International Airport (16.2 miles)

  • Lowest 9 December, 2025

    18 °F

  • Average December

    35 °F

  • Highest 19 December, 2025

    61 °F

Climate (2020–Present)

Philadelphia, Philadelphia International Airport (16.2 miles)

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  • Average Low 2020–2025

    50.2 °F

  • Average 2020–2025

    58.4 °F

  • Average High 2020–2025

    66.9 °F
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