Delaware River - Chester Island Weather Forecast

    • 29
    • 41

    Mostly Sunny

    • 19
    • 40

    Partly Sunny

    • 26
    • 34

    Chance Snow

    • 28
    • 42

    Mostly Cloudy

    • 26
    • 41

    Mostly Cloudy

    • 21
    • 36

    Slight Chance Snow

Today 3 Dec Gloucester

Sunny. Highs in the lower 40s. Northwest Winds around 5 Mph.

Tonight 3 Dec Gloucester

Mostly clear. Cold with Lows in the upper 20s. Southwest Winds around 5 Mph.

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Delaware River - Chester Island Temperature Statistics

December Temperature

Philadelphia, Philadelphia International Airport (6.2 miles)

  • Lowest 1 December, 2025

    33.1 °F

  • Average December

    39.3 °F

  • Highest 1 December, 2025

    46 °F

Climate (2020–Present)

Philadelphia, Philadelphia International Airport (6.2 miles)

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  • Average Low 2020–2025

    50.3 °F

  • Average 2020–2025

    58.4 °F

  • Average High 2020–2025

    67 °F
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