Fairmont City Weather Forecast

    • 57
    • 78

    Decreasing Clouds

    • 59
    • 78

    Mostly Sunny

    • 62
    • 83

    Chance Thunderstorms

    • 71
    • 89

    Rain Showers

    • 63
    • 83

    Rain Showers Likely

    • 64
    • 84

    Partly Sunny

Today 14 Jun St. Clair

Partly sunny. Highs in the upper 70s. North Winds 15 to 20 Mph. Gusts up to 35 Mph early.

Tonight 14 Jun St. Clair

Mostly clear. Cooler with Lows in the mid 50s. Northwest Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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  • Temperature Real-Time

Fairmont City Temperature Statistics

June Temperature

St. Louis Downtown Airport (6.2 miles)

  • Lowest 3 June, 2026

    52.6 °F

  • Average June

    77.6 °F

  • Highest 10 June, 2026

    93.7 °F

Climate (2021–Present)

St. Louis Downtown Airport (6.2 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    69.3 °F
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