Tinicum National Wildlife Refuge Weather Forecast

    • 55
    • 78

    Mostly Sunny

    • 51
    • 70

    Mostly Sunny

    • 56
    • 75

    Partly Sunny

    • 56
    • 78

    Slight Chance Thunderstorms

    • 55
    • 75

    Chance Rain Showers

    • 56
    • 74

    Slight Chance Rain Showers

Today 29 May Delaware

Sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph, becoming west 10 to 15 Mph with Gusts up to 25 Mph this afternoon.

Tonight 29 May Delaware

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest 10 to 15 Mph with Gusts up to 30 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tinicum National Wildlife Refuge Temperature Statistics

May Temperature

Philadelphia, Philadelphia International Airport (2.5 miles)

  • Lowest 1 May, 2026

    47.6 °F

  • Average May

    66 °F

  • Highest 19 May, 2026

    98.7 °F

Climate (2021–Present)

Philadelphia, Philadelphia International Airport (2.5 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    67 °F
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