Jonesboro Weather Forecast

    • 60
    • 77

    Slight Chance Thunderstorms

    • 55
    • 73

    Chance Thunderstorms

    • 49
    • 66

    Chance Rain Showers

    • 46
    • 60

    Slight Chance Rain Showers

    • 47
    • 66

    Mostly Sunny

    • 57
    • 74

    Chance Rain Showers

    • 57
    • 75

    Chance Rain Showers

Today 1 May Union

Mostly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 70s. Southwest Winds around 10 Mph. Chance of rain 20 percent.

Tonight 1 May Union

Partly cloudy. A slight chance of Showers late this evening. Lows around 60. Southwest Winds around 5 Mph. Chance of rain 20 percent.

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Jonesboro Temperature Statistics

May Temperature

Southern Illinois Airport (22.4 miles)

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Climate (2020–Present)

Southern Illinois Airport (22.4 miles)

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  • Average Low 2020–2025

    47.7 °F

  • Average 2020–2025

    57.9 °F

  • Average High 2020–2025

    68.6 °F
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