Riviera Beach Weather Forecast

    • 74
    • 88

    Slight Chance Thunderstorms

    • 76
    • 89

    Chance Thunderstorms

    • 76
    • 88

    Chance Thunderstorms

    • 76
    • 87

    Thunderstorms Likely

    • 76
    • 87

    Thunderstorms Likely

    • 75
    • 87

    Rain Showers Likely

Today 14 Sep Coastal Palm Beach County

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. Northwest Winds around 5 Mph, becoming northeast this afternoon. Chance of rain 20 percent.

Tonight 14 Sep Coastal Palm Beach County

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the mid 70s. North Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Real-Time

Riviera Beach Temperature Statistics

September Temperature

West Palm Beach - Palm Beach International Airport (6.2 miles)

  • Lowest 10 September, 2025

    73.9 °F

  • Average September

    80.9 °F

  • Highest 1 September, 2025

    91.9 °F

Climate (2020–Present)

West Palm Beach - Palm Beach International Airport (6.2 miles)

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  • Average Low 2020–2025

    71 °F

  • Average 2020–2025

    77.6 °F

  • Average High 2020–2025

    84.9 °F
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