Florissant Weather Forecast

    • 37
    • 55

    Becoming Sunny

    • 57
    • 61

    Rain Showers

    • 51
    • 77

    Thunderstorms

    • 49
    • 62

    Rain Likely

    • 49
    • 63

    Rain

    • 42
    • 56

    Rain Likely

Today 31 Mar St. Louis

Cloudy late this Morning, then becoming partly sunny. Much cooler with Highs in the mid 50s. Northwest Winds 10 to 15 Mph.

Tonight 31 Mar St. Louis

Mostly clear. Lows in the mid 30s. North Winds 5 to 10 Mph, becoming northeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Florissant Temperature Statistics

March Temperature

St. Louis Lambert International Airport (3.7 miles)

  • Lowest 2 March, 2025

    24.9 °F

  • Average March

    54.4 °F

  • Highest 14 March, 2025

    84.7 °F

Climate (2020–Present)

St. Louis Lambert International Airport (3.7 miles)

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  • Average Low 2020–2025

    50.2 °F

  • Average 2020–2025

    59.5 °F

  • Average High 2020–2025

    68.9 °F
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