Sea Isle City Weather Forecast

    • 58
    • 68

    Chance Rain Showers

    • 58
    • 64

    Rain Showers Likely

    • 61
    • 66

    Chance Rain Showers

    • 60
    • 68

    Mostly Cloudy

    • 61
    • 71

    Partly Sunny

    • 63
    • 72

    Partly Sunny

Today 25 Sep Atlantic Coastal Cape May

Mostly sunny. Highs in the lower 70s.

Tonight 25 Sep Atlantic Coastal Cape May

Rain likely this Evening, then rain and Thunderstorms after midnight. Very windy with Lows in the upper 50s. North Winds 25 to 35 Mph with Gusts up to 55 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sea Isle City Temperature Statistics

September Temperature

Wildwood, Cape May County Airport (14.9 miles)

  • Lowest 15 September, 2026

    55 °F

  • Average September

    73.1 °F

  • Highest 1 September, 2026

    90 °F

Climate (2021–2026)

Wildwood, Cape May County Airport (14.9 miles)

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  • Average Low 2021–2026

    49.8 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    64.8 °F
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