Spirit of St. Louis Airport Weather Forecast

    • 63
    • 93

    Chance Rain Showers

    • 62
    • 85

    Chance Thunderstorms

    • 62
    • 85

    Chance Rain Showers

    • 64
    • 86

    Chance Thunderstorms

    • 62
    • 84

    Chance Thunderstorms

    • 59
    • 83

    Chance Thunderstorms

Today 18 Sep St. Louis

Sunny. Highs in the lower 90s. Southeast Winds around 5 Mph.

Tonight 18 Sep St. Louis

Partly cloudy. A slight chance of Showers after midnight. Lows in the mid 60s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Spirit of St. Louis Airport Temperature Statistics

September Temperature

St. Louis, Spirit Of St. Louis Airport (0 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    69.9 °F

  • Highest 14 September, 2025

    98.1 °F

Climate (2020–Present)

St. Louis, Spirit Of St. Louis Airport (0 miles)

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    56.9 °F

  • Average High 2020–2025

    68.1 °F
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