Philadelphia Weather Forecast

    • 23
    • 36

    Becoming Sunny

    • 30
    • 49

    Increasing Clouds

    • 48
    • 57

    Rain

    • 26
    • 58

    Chance Rain

    • 34
    • 45

    Partly Sunny

    • 28
    • 52

    Partly Sunny

    • 28
    • 42

    Mostly Cloudy

Today 16 Dec Inland Sussex

Sunny. Highs in the upper 30s. West Winds around 5 Mph.

Tonight 16 Dec Inland Sussex

Mostly clear. Cold with Lows in the mid 20s. Temperature rising to around 30 after midnight. South Winds around 5 Mph.

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Philadelphia Temperature Statistics

December Temperature

Georgetown - Delaware Coastal Airport (8.1 miles)

  • Lowest 14 December, 2025

    18 °F

  • Average December

    34 °F

  • Highest 10 December, 2025

    46.9 °F

Climate (2020–Present)

Georgetown - Delaware Coastal Airport (8.1 miles)

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  • Average Low 2020–2025

    49.2 °F

  • Average 2020–2025

    58.7 °F

  • Average High 2020–2025

    68.3 °F
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