Fairmount Park Weather Forecast

    • 62
    • 80

    Chance Rain Showers

    • 61
    • 72

    Slight Chance Thunderstorms

    • 63
    • 76

    Slight Chance Thunderstorms

    • 66
    • 80

    Chance Thunderstorms

    • 68
    • 84

    Chance Rain Showers

    • 68
    • 84

    Chance Thunderstorms

    • 65
    • 83

    Chance Rain Showers

Today 3 Aug Carlton/South St. Louis

Partly sunny with a chance of Sprinkles with a slight chance of Thunderstorms. Areas of smoke. Near steady temperature in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 3 Aug Carlton/South St. Louis

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms this Evening, then a slight chance of Showers after midnight. Areas of smoke. Lows in the upper 50s. Southeast Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairmount Park Temperature Statistics

August Temperature

Richard I. Bong Airport (5.6 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 (5.6 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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