John L Coppernoll Airport Weather Forecast

    • 62
    • 72

    Rain Showers Likely

    • 61
    • 77

    Rain Showers Likely

    • 64
    • 77

    Rain Showers

    • 62
    • 80

    Rain Showers Likely

    • 57
    • 71

    Chance Rain Showers

    • 54
    • 72

    Slight Chance Rain Showers

Today 16 Sep Jo Daviess

Mostly cloudy with a slight chance of Showers and Thunderstorms. Highs in the lower 70s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 16 Sep Jo Daviess

Mostly cloudy. Showers likely after midnight. Lows in the lower 60s. East Winds around 5 Mph. Chance of rain 70 percent.

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  • Temperature Real-Time

John L Coppernoll Airport Temperature Statistics

September Temperature

Tri-Township Airport (19.3 miles)

  • Lowest 13 September, 2026

    50.7 °F

  • Average September

    74.4 °F

  • Highest 4 September, 2026

    95.9 °F

Climate (2021–2026)

Tri-Township Airport (19.3 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    62.8 °F
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