Grassy Point Weather Forecast

    • 62
    • 74

    Slight Chance Thunderstorms

    • 63
    • 78

    Slight Chance Thunderstorms

    • 66
    • 81

    Chance Thunderstorms

    • 68
    • 84

    Chance Rain Showers

    • 68
    • 85

    Chance Thunderstorms

    • 65
    • 84

    Chance Rain Showers

Today 4 Aug Carlton/South St. Louis

Mostly cloudy with a chance of Showers. Areas of smoke. A slight chance of Thunderstorms in the afternoon. Highs in the mid 70s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 4 Aug Carlton/South St. Louis

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Areas of smoke in the evening. Lows in the upper 50s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

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Grassy Point Temperature Statistics

August Temperature

Richard I. Bong Airport (3.7 miles)

  • Lowest 1 August, 2025

    50.9 °F

  • Average August

    72.1 °F

  • Highest 1 August, 2025

    78.1 °F

Climate (2020–Present)

Richard I. Bong Airport (3.7 miles)

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  • Average Low 2020–2025

    33.6 °F

  • Average 2020–2025

    43 °F

  • Average High 2020–2025

    51.2 °F
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