John Heinz National Wildlife Refuge Weather Forecast

    • 50
    • 71

    Increasing Clouds

    • 43
    • 66

    Mostly Sunny

    • 53
    • 67

    Partly Sunny

    • 61
    • 79

    Mostly Cloudy

    • 64
    • 85

    Mostly Cloudy

    • 65
    • 88

    Mostly Cloudy

Today 10 Apr Philadelphia

Mostly cloudy this Morning, then clearing. Warmer with Highs in the lower 70s. South Winds 5 to 10 Mph.

Tonight 10 Apr Philadelphia

Partly cloudy in the Evening, then becoming mostly cloudy. Not as cool with Lows around 50. South Winds 5 to 10 Mph, becoming southwest after midnight.

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John Heinz National Wildlife Refuge Temperature Statistics

April Temperature

Philadelphia, Philadelphia International Airport (1.9 miles)

  • Lowest 8 April, 2026

    32 °F

  • Average April

    56.2 °F

  • Highest 1 April, 2026

    84.7 °F

Climate (2021–Present)

Philadelphia, Philadelphia International Airport (1.9 miles)

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  • Average Low 2021–2026

    50.1 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    66.9 °F
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