Fairmont City Weather Forecast

    • 40
    • 63

    Becoming Sunny

    • 42
    • 66

    Increasing Clouds

    • 58
    • 71

    Rain Showers Likely

    • 60
    • 79

    Rain Showers Likely

    • 60
    • 74

    Rain Showers Likely

    • 42
    • 76

    Rain Showers Likely

    • 37
    • 56

    Mostly Cloudy

Today 25 Mar St. Clair

Mostly sunny. Near steady temperature in the lower 60s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 25 Mar St. Clair

Mostly cloudy this Evening, then clearing. Lows in the upper 30s. North Winds 5 to 10 Mph, becoming southwest after midnight.

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Fairmont City Temperature Statistics

March Temperature

St. Louis Downtown Airport (6.2 miles)

  • Lowest 2 March, 2025

    21.8 °F

  • Average March

    51 °F

  • Highest 14 March, 2025

    85.6 °F

Climate (2020–Present)

St. Louis Downtown Airport (6.2 miles)

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  • Average Low 2020–2025

    47.2 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    68.2 °F
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