Grabill Weather Forecast

    • 58
    • 87

    Mostly Sunny

    • 60
    • 87

    Increasing Clouds

    • 60
    • 85

    Slight Chance Thunderstorms

    • 62
    • 84

    Rain Showers Likely

    • 61
    • 78

    Chance Thunderstorms

    • 61
    • 78

    Chance Rain Showers

    • 58
    • 76

    Slight Chance Rain Showers

Today 18 Sep Allen

Sunny. Near steady temperature in the upper 80s. Northwest Winds around 5 Mph.

Tonight 18 Sep Allen

Clear. Lows in the upper 50s. East Winds around 5 Mph late this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grabill Temperature Statistics

September Temperature

Auburn De Kalb County Airport (8.1 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    63 °F

  • Highest 14 September, 2025

    84.2 °F

Climate (2020–Present)

Auburn De Kalb County Airport (8.1 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    60.5 °F
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