Fairbury Weather Forecast

    • 72
    • 95

    Chance Rain Showers

    • 69
    • 94

    Chance Thunderstorms

    • 66
    • 91

    Chance Thunderstorms

    • 62
    • 86

    Mostly Sunny

    • 61
    • 86

    Mostly Sunny

    • 62
    • 88

    Slight Chance Thunderstorms

Today 17 Aug Jefferson

Mostly sunny. Highs in the mid 90s. South Winds 10 to 15 Mph. Heat index Values up to 100 this afternoon.

Tonight 17 Aug Jefferson

Mostly clear in the Evening, then partly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Locally heavy rainfall possible after midnight. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 30 percent.

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Fairbury Temperature Statistics

August Temperature

Hebron, Hebron Municipal Airport (21.1 miles)

  • Lowest 2 August, 2025

    57.6 °F

  • Average August

    74.5 °F

  • Highest 8 August, 2025

    95.5 °F

Climate (2020–Present)

Hebron, Hebron Municipal Airport (21.1 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    66.2 °F
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