Sontimer Airport Weather Forecast

    • 47
    • 87

    Thunderstorms

    • 40
    • 59

    Chance Rain Showers

    • 43
    • 67

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

    • 57
    • 78

    Partly Sunny

    • 58
    • 80

    Partly Sunny

Today 17 Apr St. Charles

Mostly sunny. Isolated Showers and Thunderstorms in the afternoon. Highs in the mid 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 17 Apr St. Charles

Mostly clear. Lows around 60. South Winds around 5 Mph.

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Sontimer Airport Temperature Statistics

April Temperature

St. Louis, Spirit Of St. Louis Airport (10.6 miles)

  • Lowest 6 April, 2026

    35.7 °F

  • Average April

    62.4 °F

  • Highest 3 April, 2026

    85.6 °F

Climate (2021–Present)

St. Louis, Spirit Of St. Louis Airport (10.6 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    68.7 °F
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