Carbondale Weather Forecast

    • 69
    • 94

    Partly Sunny

    • 67
    • 97

    Hot

    • 67
    • 94

    Mostly Sunny

    • 67
    • 95

    Mostly Sunny

    • 67
    • 94

    Partly Sunny

    • 65
    • 90

    Chance Rain Showers

Today 13 Sep Jackson

Sunny, hot with Highs in the mid 90s. South Winds around 5 Mph.

Tonight 13 Sep Jackson

Mostly clear with a slight chance of Showers in the Evening, then partly cloudy after midnight. Lows in the upper 60s. South Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Real-Time

Carbondale Temperature Statistics

September Temperature

Southern Illinois Airport (3.7 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    67.4 °F

  • Highest 11 September, 2025

    91 °F

Climate (2020–Present)

Southern Illinois Airport (3.7 miles)

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  • Average Low 2020–2025

    47.7 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    68.7 °F
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