Delaware River - Marcus Hook Weather Forecast

    • 36
    • 51

    Mostly Cloudy

    • 47
    • 62

    Rain Likely

    • 45
    • 65

    Mostly Cloudy

    • 43
    • 67

    Chance Rain

    • 30
    • 54

    Partly Sunny

    • 33
    • 47

    Mostly Cloudy

Today 19 Mar Delaware

Partly sunny. Highs in the upper 40s. South Winds 5 to 10 Mph.

Tonight 19 Mar Delaware

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 30s. South Winds 5 to 10 Mph.

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Delaware River - Marcus Hook Temperature Statistics

March Temperature

Philadelphia, Philadelphia International Airport (10.6 miles)

  • Lowest 2 March, 2026

    26.7 °F

  • Average March

    48.7 °F

  • Highest 10 March, 2026

    82.9 °F

Climate (2021–Present)

Philadelphia, Philadelphia International Airport (10.6 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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