Riverside Weather Forecast

    • 59
    • 70

    Chance Rain Showers

    • 54
    • 77

    Mostly Sunny

    • 60
    • 81

    Chance Rain Showers

    • 56
    • 77

    Chance Rain Showers

    • 52
    • 72

    Partly Sunny

    • 56
    • 76

    Partly Sunny

Today 15 Aug Carlton/South St. Louis

Showers likely with a slight chance of Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the lower 70s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 15 Aug Carlton/South St. Louis

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Patchy fog. Humid with Lows in the upper 50s. Southeast Winds around 5 Mph, becoming northwest with Gusts up to 20 Mph after midnight. Chance of rain 50 percent.

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Riverside Temperature Statistics

August Temperature

Richard I. Bong Airport (5.6 miles)

  • Lowest 5 August, 2026

    47.8 °F

  • Average August

    69.8 °F

  • Highest 6 August, 2026

    84 °F

Climate (2021–2026)

Richard I. Bong Airport (5.6 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    42.8 °F

  • Average High 2021–2026

    51.1 °F
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