Fairmount Weather Forecast

    • 32
    • 50

    Becoming Sunny

    • 40
    • 54

    Partly Sunny

    • 39
    • 57

    Rain Showers Likely

    • 39
    • 58

    Partly Sunny

    • 47
    • 62

    Chance Rain Showers

    • 47
    • 69

    Slight Chance Rain Showers

Today 10 May Carlton/South St. Louis

Mostly sunny. Highs in the lower 50s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 10 May Carlton/South St. Louis

Mostly clear. Cold with Lows in the upper 20s. North Winds 5 to 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairmount Temperature Statistics

May Temperature

Richard I. Bong Airport (5.6 miles)

  • Lowest 2 May, 2026

    25.5 °F

  • Average May

    46.5 °F

  • Highest 3 May, 2026

    66.6 °F

Climate (2021–Present)

Richard I. Bong Airport (5.6 miles)

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  • Average Low 2021–2026

    33.7 °F

  • Average 2021–2026

    43 °F

  • Average High 2021–2026

    51.2 °F
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