Heitman Aerodrome Weather Forecast

    • 66
    • 78

    Chance Rain Showers

    • 71
    • 86

    Chance Thunderstorms

    • 74
    • 92

    Mostly Sunny

    • 76
    • 97

    Hot

    • 73
    • 94

    Partly Sunny

    • 70
    • 90

    Partly Sunny

Today 24 Jul St. Clair

Partly sunny this Morning, then mostly cloudy with a chance of Showers this afternoon. Highs in the upper 70s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 24 Jul St. Clair

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Lows in the upper 60s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Heitman Aerodrome Temperature Statistics

July Temperature

St. Louis Downtown Airport (9.9 miles)

  • Lowest 13 July, 2026

    67.6 °F

  • Average July

    81.4 °F

  • Highest 2 July, 2026

    96.7 °F

Climate (2021–2026)

St. Louis Downtown Airport (9.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.3 °F
Get WillyWeather+ to remove ads