Delaware River - Little Tinicum Island Weather Forecast

    • 44
    • 56

    Rain

    • 41
    • 49

    Rain

    • 29
    • 46

    Slight Chance Rain

    • 30
    • 42

    Mostly Sunny

    • 34
    • 47

    Partly Sunny

    • 34
    • 48

    Mostly Cloudy

Today 9 Jan Delaware

Mostly cloudy. A chance of rain Showers in the afternoon. Highs in the mid 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

Tonight 9 Jan Delaware

Cloudy with a 50 percent chance of Showers. Not as cool with Lows in the mid 40s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest after midnight.

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Delaware River - Little Tinicum Island Temperature Statistics

January Temperature

Philadelphia, Philadelphia International Airport (3.1 miles)

  • Lowest 3 January, 2026

    23 °F

  • Average January

    31.9 °F

  • Highest 6 January, 2026

    45 °F

Climate (2021–Present)

Philadelphia, Philadelphia International Airport (3.1 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    66.9 °F
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