Boone County Fair Grounds Weather Forecast

    • 65
    • 82

    Thunderstorms Likely

    • 59
    • 76

    Chance Rain Showers

    • 64
    • 81

    Slight Chance Thunderstorms

    • 71
    • 86

    Slight Chance Thunderstorms

    • 72
    • 92

    Chance Thunderstorms

    • 68
    • 89

    Chance Thunderstorms

Today 19 Jul Boone

Mostly cloudy. Showers and Thunderstorms Likely, mainly in the morning. Highs in the lower 80s. South Winds 5 to 10 Mph, becoming west in the afternoon. Chance of precipitation 70 percent.

Tonight 19 Jul Boone

Mostly cloudy. A slight chance of Showers and Thunderstorms early in the Evening, then a chance of Showers and Thunderstorms late in the evening. A slight chance of Showers and Thunderstorms after midnight. Lows in the mid 60s. Northwest Winds 5 to 10 Mph, becoming northeast after midnight. Chance of precipitation 30 percent.

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Boone County Fair Grounds Temperature Statistics

July Temperature

Rockford, Greater Rockford Airport (13.7 miles)

  • Lowest 14 July, 2025

    60.7 °F

  • Average July

    76.1 °F

  • Highest 5 July, 2025

    93.7 °F

Climate (2020–Present)

Rockford, Greater Rockford Airport (13.7 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    61.6 °F
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