St. Louis Weather Forecast

    • 65
    • 83

    Rain Showers Likely

    • 73
    • 89

    Mostly Sunny

    • 62
    • 90

    Thunderstorms Likely

    • 51
    • 70

    Thunderstorms Likely

    • 51
    • 69

    Mostly Sunny

    • 57
    • 73

    Chance Thunderstorms

Today 18 May St. Louis City

Cloudy with Showers and chance of Thunderstorms in the Morning, then partly cloudy with slight chance of Showers and Thunderstorms in the afternoon. High near 80. Southwest wind 10 to 15 Mph in the morning shifting to the west in the afternoon. Chance of rain 90 percent.

Tonight 18 May St. Louis City

Partly cloudy with a 20 percent chance of Showers and Thunderstorms. Patchy fog after midnight. Low in the lower to mid 60s. West wind around 10 Mph in the evening becoming light after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Louis Temperature Statistics

May Temperature

St. Louis Downtown Airport (5 miles)

  • Lowest 2 May, 2022

    43 °F
  • Average May

    67.3 °F
  • Highest 12 May, 2022

    93.9 °F

Climate (2010–Present)

St. Louis Downtown Airport (5 miles)

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  • Average Low 2010–Present

    46.2 °F
  • Average 2010–Present

    55.6 °F
  • Average High 2010–Present

    65.5 °F
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