Fairview Heights Weather Forecast

    • 72
    • 84

    Rain Showers

    • 75
    • 89

    Mostly Sunny

    • 75
    • 93

    Mostly Sunny

    • 71
    • 91

    Rain Showers Likely

    • 70
    • 88

    Slight Chance Thunderstorms

    • 71
    • 88

    Chance Rain Showers

Today 8 Jun St. Clair

Showers and Thunderstorms likely. Some Thunderstorms may produce heavy rainfall. Highs in the mid 80s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 8 Jun St. Clair

Mostly cloudy. Showers and Thunderstorms Likely, mainly in the evening. Some Thunderstorms may produce heavy rainfall. Humid with Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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Fairview Heights Temperature Statistics

June Temperature

Belleville, Scott AFB/MidAmerica Airport (7.5 miles)

  • Lowest 3 June, 2026

    55.2 °F

  • Average June

    74.3 °F

  • Highest 1 June, 2026

    87.8 °F

Climate (2021–Present)

Belleville, Scott AFB/MidAmerica Airport (7.5 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    68.1 °F
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