Bertom Lake Weather Forecast

    • 35
    • 51

    Chance Rain Showers

    • 26
    • 47

    Partly Sunny

    • 34
    • 51

    Mostly Sunny

    • 36
    • 58

    Mostly Sunny

    • 40
    • 64

    Mostly Sunny

    • 37
    • 58

    Mostly Sunny

Today 5 Nov Grant

Cloudy with a 20 percent chance of Showers. Near steady temperature around 50. North Winds 10 to 15 Mph.

Tonight 5 Nov Grant

Mostly cloudy. Colder with Lows in the mid 30s. North Winds 10 to 15 Mph.

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Bertom Lake Temperature Statistics

November Temperature

Dubuque Regional Airport (23 miles)

  • Lowest 1 November, 2026

    52.6 °F

  • Average November

    60.3 °F

  • Highest 1 November, 2026

    66.7 °F

Climate (2021–2026)

Dubuque Regional Airport (23 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    50.2 °F

  • Average High 2021–2026

    59.5 °F
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