Lambert - St. Louis International Airport Weather Forecast

    • 58
    • 69

    Chance Rain Showers

    • 63
    • 81

    Chance Rain Showers

    • 63
    • 79

    Chance Thunderstorms

    • 65
    • 82

    Chance Rain Showers

    • 66
    • 83

    Chance Thunderstorms

    • 68
    • 85

    Chance Thunderstorms

Today 22 May St. Louis

Mostly cloudy. A chance of Showers in the afternoon. Highs in the upper 60s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 22 May St. Louis

Mostly cloudy. A chance of Showers in the evening. Lows in the upper 50s. Northeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lambert - St. Louis International Airport Temperature Statistics

May Temperature

St. Louis Lambert International Airport (0 miles)

  • Lowest 7 May, 2026

    42.7 °F

  • Average May

    64.4 °F

  • Highest 17 May, 2026

    87.7 °F

Climate (2021–Present)

St. Louis Lambert International Airport (0 miles)

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  • Average Low 2021–2026

    50.6 °F

  • Average 2021–2026

    60.1 °F

  • Average High 2021–2026

    69.7 °F
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