Fort Washington State Park Weather Forecast

    • 49
    • 78

    Chance Rain Showers

    • 44
    • 66

    Mostly Cloudy

    • 48
    • 68

    Mostly Sunny

    • 52
    • 68

    Rain Showers

    • 50
    • 68

    Chance Rain Showers

    • 52
    • 71

    Slight Chance Rain Showers

Today 10 May Eastern Montgomery

Mostly sunny. Areas of dense fog this morning. A chance of Showers with a slight chance of Thunderstorms this afternoon. Visibility one quarter mile or less at Times this morning. Much warmer with Highs in the upper 70s. West Winds around 5 Mph, increasing to around 10 Mph with Gusts up to 20 Mph this afternoon. Chance of rain 50 percent.

Tonight 10 May Eastern Montgomery

A slight chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Lows in the upper 40s. Northwest Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Washington State Park Temperature Statistics

May Temperature

Philadelphia - Wings Field Airport (1.9 miles)

  • Lowest 1 May, 2026

    38.8 °F

  • Average May

    58.4 °F

  • Highest 5 May, 2026

    83.1 °F

Climate (2021–Present)

Philadelphia - Wings Field Airport (1.9 miles)

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    64.4 °F
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