Carbondale Weather Forecast

    • 68
    • 83

    Chance Thunderstorms

    • 66
    • 86

    Chance Thunderstorms

    • 70
    • 89

    Mostly Sunny

    • 72
    • 90

    Chance Thunderstorms

    • 64
    • 87

    Rain Showers Likely

    • 58
    • 79

    Chance Thunderstorms

Today 15 May Jackson

A slight chance of Thunderstorms this morning. Mostly sunny with a slight chance of Showers. Highs in the lower 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 15 May Jackson

Mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Not as cool. More humid with Lows in the upper 60s. South Winds around 10 Mph. Chance of rain 20 percent.

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Carbondale Temperature Statistics

May Temperature

Southern Illinois Airport (3.7 miles)

  • Lowest 3 May, 2026

    37.7 °F

  • Average May

    60.4 °F

  • Highest 4 May, 2026

    81.6 °F

Climate (2021–Present)

Southern Illinois Airport (3.7 miles)

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  • Average Low 2021–2026

    48.1 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    69.3 °F
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