Diamond Beach Weather Forecast

    • 70
    • 83

    Chance Rain Showers

    • 62
    • 79

    Chance Thunderstorms

    • 68
    • 80

    Sunny

    • 70
    • 81

    Mostly Sunny

    • 69
    • 82

    Chance Rain Showers

    • 65
    • 83

    Chance Rain Showers

    • 63
    • 81

    Mostly Sunny

Today 20 Aug Atlantic Coastal Cape May

Mostly cloudy this Morning, then becoming partly sunny. A chance of Showers with a slight chance of Thunderstorms. Highs around 80. Southeast Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 20 Aug Atlantic Coastal Cape May

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers this Evening, then a chance of Showers after midnight. Lows in the lower 70s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Beach Temperature Statistics

August Temperature

Wildwood, Cape May County Airport (5 miles)

  • Lowest 4 August, 2025

    57 °F

  • Average August

    73.4 °F

  • Highest 17 August, 2025

    88 °F

Climate (2020–Present)

Wildwood, Cape May County Airport (5 miles)

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  • Average Low 2020–2025

    49.8 °F

  • Average 2020–2025

    57.2 °F

  • Average High 2020–2025

    64.5 °F
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