Millstadt Weather Forecast

    • 44
    • 65

    Partly Sunny

    • 47
    • 66

    Partly Sunny

    • 40
    • 61

    Partly Sunny

    • 42
    • 62

    Mostly Sunny

    • 49
    • 70

    Slight Chance Thunderstorms

    • 51
    • 73

    Slight Chance Thunderstorms

Today 29 Apr St. Clair

Mostly sunny. Highs in the mid 60s. Northwest Winds 10 to 15 Mph.

Tonight 29 Apr St. Clair

Partly cloudy in the Evening, then clearing. Lows in the lower 40s. North Winds 5 to 10 Mph.

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Millstadt Temperature Statistics

April Temperature

St. Louis Downtown Airport (7.5 miles)

  • Lowest 6 April, 2026

    37.7 °F

  • Average April

    63.6 °F

  • Highest 14 April, 2026

    90.6 °F

Climate (2021–Present)

St. Louis Downtown Airport (7.5 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    69.2 °F
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