Robert Allerton Park Weather Forecast

    • 55
    • 77

    Rain Showers

    • 54
    • 76

    Partly Sunny

    • 60
    • 78

    Rain Showers Likely

    • 49
    • 79

    Rain Showers

    • 40
    • 61

    Slight Chance Rain Showers

    • 47
    • 70

    Mostly Sunny

    • 44
    • 70

    Slight Chance Rain Showers

Today 15 Oct Piatt

Partly sunny with isolated Showers. Near steady temperature in the mid 70s. North Winds around 5 Mph. Chance of rain 20 percent.

Tonight 15 Oct Piatt

Mostly cloudy. Lows in the mid 50s. Northeast Winds 5 to 10 Mph.

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Robert Allerton Park Temperature Statistics

October Temperature

Decatur Airport (16.2 miles)

  • Lowest 9 October, 2025

    37.9 °F

  • Average October

    65 °F

  • Highest 3 October, 2025

    88 °F

Climate (2020–Present)

Decatur Airport (16.2 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    65.2 °F
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