Low and Slow Airport Weather Forecast

    • 63
    • 88

    Mostly Sunny

    • 38
    • 85

    Partly Sunny

    • 40
    • 56

    Mostly Cloudy

    • 44
    • 62

    Slight Chance Thunderstorms

    • 54
    • 72

    Partly Sunny

    • 43
    • 79

    Chance Rain Showers

Today 21 Mar Calhoun

Sunny. Highs in the upper 80s. Southeast Winds 5 to 10 Mph, becoming south this afternoon.

Tonight 21 Mar Calhoun

Mostly clear. Not as cool with Lows in the lower 60s. South Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Low and Slow Airport Temperature Statistics

March Temperature

St. Charles, St. Charles County Smartt Airport (17.4 miles)

  • Lowest 17 March, 2026

    14.6 °F

  • Average March

    49.2 °F

  • Highest 10 March, 2026

    86.6 °F

Climate (2021–Present)

St. Charles, St. Charles County Smartt Airport (17.4 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    68.7 °F
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