St. Louis Weather Forecast

    • 71
    • 86

    Mostly Sunny

    • 71
    • 96

    Mostly Sunny

    • 71
    • 96

    Mostly Sunny

    • 69
    • 91

    Mostly Sunny

    • 68
    • 90

    Mostly Sunny

    • 67
    • 88

    Mostly Sunny

    • 69
    • 87

    Partly Sunny

Today 19 Sep St. Louis City

Mostly sunny. Near steady temperature in the mid 80s. Light wind.

Tonight 19 Sep St. Louis City

Mostly clear. Low near 70. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Louis Temperature Statistics

September Temperature

St. Louis Downtown Airport (5 miles)

  • Lowest 7 September, 2017

    45 °F
  • Average September

    69.5 °F
  • Highest 4 September, 2017

    93.2 °F

Climate (2010–Present)

St. Louis Downtown Airport (5 miles)

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  • Average Low 2010–Present

    47.3 °F
  • Average 2010–Present

    57.6 °F
  • Average High 2010–Present

    67.5 °F
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