Galena Lake Weather Forecast

    • 63
    • 87

    Mostly Sunny

    • 60
    • 84

    Decreasing Clouds

    • 63
    • 81

    Partly Sunny

    • 71
    • 89

    Chance Thunderstorms

    • 60
    • 86

    Partly Sunny

    • 57
    • 81

    Partly Sunny

    • 61
    • 82

    Slight Chance Thunderstorms

Today 5 Sep Jo Daviess

Sunny. Highs in the mid 80s. Northeast Winds 5 to 10 Mph.

Tonight 5 Sep Jo Daviess

Partly cloudy. Lows in the lower 60s. East Winds 5 to 10 Mph.

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  • Temperature Real-Time

Galena Lake Temperature Statistics

September Temperature

Dubuque Regional Airport (18.6 miles)

  • Lowest 1 September, 2026

    69.7 °F

  • Average September

    80.5 °F

  • Highest 1 September, 2026

    91.7 °F

Climate (2021–2026)

Dubuque Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.5 °F
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