St. Louis Regional Airport Weather Forecast

    • 57
    • 83

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

    • 61
    • 79

    Rain Showers

    • 48
    • 74

    Rain Showers

    • 43
    • 64

    Mostly Sunny

    • 49
    • 72

    Mostly Sunny

Today 15 Oct Madison

Sunny. Highs in the mid 80s. Southeast Winds around 5 Mph, becoming northeast this afternoon.

Tonight 15 Oct Madison

Mostly clear. Lows in the upper 50s. East Winds around 5 Mph.

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St. Louis Regional Airport Temperature Statistics

October Temperature

St. Louis Regional Airport (0.6 miles)

  • Lowest 10 October, 2025

    43 °F

  • Average October

    63 °F

  • Highest 1 October, 2025

    87.8 °F

Climate (2020–Present)

St. Louis Regional Airport (0.6 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    66.1 °F
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