Hallidayboro Weather Forecast

    • 67
    • 98

    Hot

    • 66
    • 94

    Mostly Sunny

    • 65
    • 95

    Mostly Sunny

    • 66
    • 95

    Partly Sunny

    • 64
    • 90

    Chance Rain Showers

    • 60
    • 88

    Slight Chance Thunderstorms

Today 14 Sep Jackson

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the upper 90s. Southwest Winds around 5 Mph, becoming west around 5 Mph in the afternoon. Chance of rain 20 percent.

Tonight 14 Sep Jackson

Partly cloudy. Lows in the upper 60s. Southwest Winds around 5 Mph in the Evening, becoming light and variable.

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Hallidayboro Temperature Statistics

September Temperature

Southern Illinois Airport (6.8 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    67.4 °F

  • Highest 11 September, 2025

    91 °F

Climate (2020–Present)

Southern Illinois Airport (6.8 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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