Riverside Weather Forecast

    • 77
    • 81

    Thunderstorms

    • 78
    • 84

    Rain Showers Likely

    • 78
    • 85

    Chance Thunderstorms

    • 78
    • 86

    Chance Thunderstorms

    • 79
    • 86

    Chance Thunderstorms

    • 78
    • 87

    Chance Thunderstorms

Today 18 Sep Coastal Palm Beach County

Showers and Thunderstorms. Highs in the lower 80s. Northeast Winds 10 to 15 Mph. Chance of rain 90 percent.

Tonight 18 Sep Coastal Palm Beach County

Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly this evening. Lows in the mid 70s. Northeast Winds 10 to 15 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Riverside Temperature Statistics

September Temperature

Witham Field Airport (17.4 miles)

  • Lowest 14 September, 2025

    73.4 °F

  • Average September

    80 °F

  • Highest 7 September, 2025

    91.4 °F

Climate (2020–Present)

Witham Field Airport (17.4 miles)

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  • Average Low 2020–2025

    69.4 °F

  • Average 2020–2025

    74.6 °F

  • Average High 2020–2025

    82.9 °F
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