New Athens Weather Forecast

    • 56
    • 78

    Chance Rain Showers

    • 57
    • 77

    Mostly Sunny

    • 61
    • 82

    Slight Chance Thunderstorms

    • 71
    • 88

    Rain Showers

    • 62
    • 83

    Rain Showers Likely

    • 63
    • 83

    Partly Sunny

Today 14 Jun St. Clair

Mostly cloudy with a slight chance of Thunderstorms with isolated Showers this Morning, then mostly sunny this afternoon. Highs in the upper 70s. Northwest Winds 15 to 20 Mph. Gusts up to 35 Mph this morning. Chance of rain 20 percent.

Tonight 14 Jun St. Clair

Mostly clear in the Evening, then becoming partly cloudy. 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

New Athens Temperature Statistics

June Temperature

Belleville, Scott AFB/MidAmerica Airport (15.5 miles)

  • Lowest 3 June, 2026

    55.2 °F

  • Average June

    78 °F

  • Highest 9 June, 2026

    92.8 °F

Climate (2021–Present)

Belleville, Scott AFB/MidAmerica Airport (15.5 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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