Lambert - St. Louis International Airport Weather Forecast

    • 38
    • 61

    Decreasing Clouds

    • 42
    • 60

    Becoming Sunny

    • 37
    • 61

    Partly Sunny

    • 41
    • 53

    Mostly Cloudy

    • 56
    • 73

    Partly Sunny

    • 56
    • 75

    Slight Chance Thunderstorms

    • 57
    • 75

    Chance Rain Showers

Today 4 Apr St. Louis

Mostly cloudy and much cooler. Near steady temperature in the mid 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 4 Apr St. Louis

Partly cloudy this Evening, then clearing. Much cooler with Lows in the upper 30s. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lambert - St. Louis International Airport Temperature Statistics

April Temperature

St. Louis Lambert International Airport (0 miles)

  • Lowest 1 April, 2026

    48.9 °F

  • Average April

    62.2 °F

  • Highest 2 April, 2026

    75.9 °F

Climate (2021–Present)

St. Louis Lambert International Airport (0 miles)

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  • Average Low 2021–2026

    50.5 °F

  • Average 2021–2026

    60 °F

  • Average High 2021–2026

    69.6 °F
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