Jonesboro Weather Forecast

    • 41
    • 68

    Mostly Sunny

    • 43
    • 66

    Increasing Clouds

    • 58
    • 72

    Chance Rain Showers

    • 58
    • 77

    Rain Showers Likely

    • 62
    • 71

    Rain Showers Likely

    • 45
    • 77

    Rain Showers Likely

    • 38
    • 58

    Slight Chance Rain Showers

Today 25 Mar Union

Sunny. Near steady temperature in the mid 60s. Northwest Winds 5 to 10 Mph.

Tonight 25 Mar Union

Mostly clear. Lows in the lower 40s. North Winds around 5 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jonesboro Temperature Statistics

March Temperature

Southern Illinois Airport (22.4 miles)

  • Lowest 2 March, 2025

    23.8 °F

  • Average March

    51.2 °F

  • Highest 14 March, 2025

    80.7 °F

Climate (2020–Present)

Southern Illinois Airport (22.4 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    68.5 °F
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