King Airport Weather Forecast

    • 75
    • 96

    Chance Thunderstorms

    • 74
    • 98

    Slight Chance Thunderstorms

    • 73
    • 96

    Partly Sunny

    • 72
    • 97

    Slight Chance Thunderstorms

    • 68
    • 94

    Chance Rain Showers

    • 64
    • 87

    Chance Rain Showers

Today 16 Sep Monroe

Mostly sunny with a 20 percent chance of Showers. Highs in the lower 80s.

Tonight 16 Sep Monroe

Mostly cloudy with scattered Showers and Thunderstorms this Evening, then partly cloudy after midnight. Lows in the lower 70s. South Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

King Airport Temperature Statistics

September Temperature

St. Louis Downtown Airport (7.5 miles)

  • Lowest 8 September, 2026

    59.6 °F

  • Average September

    81.3 °F

  • Highest 5 September, 2026

    102.7 °F

Climate (2021–2026)

St. Louis Downtown Airport (7.5 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    69.4 °F
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