Tinicum National Wildlife Refuge Weather Forecast

    • 53
    • 69

    Decreasing Clouds

    • 64
    • 82

    Mostly Sunny

    • 64
    • 87

    Slight Chance Thunderstorms

    • 65
    • 91

    Mostly Sunny

    • 69
    • 94

    Mostly Sunny

    • 67
    • 94

    Chance Rain Showers

Today 15 May Delaware

Mostly cloudy this Morning, then becoming partly sunny. Highs in the upper 60s. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 15 May Delaware

Partly cloudy. Lows in the lower 50s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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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 12 May, 2026

    46.9 °F

  • Average May

    61.7 °F

  • Highest 5 May, 2026

    86.6 °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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