Bertom Lake Weather Forecast

    • 65
    • 85

    Areas Smoke

    • 70
    • 90

    Chance Thunderstorms

    • 59
    • 83

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 61
    • 81

    Partly Sunny

    • 62
    • 82

    Partly Sunny

    • 66
    • 86

    Mostly Sunny

Today 19 Jul Grant

Mostly sunny. Areas of smoke. Highs in the mid 80s. Light Winds.

Tonight 19 Jul Grant

Partly cloudy. Areas of smoke. Lows in the mid 60s. Southeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Bertom Lake Temperature Statistics

July Temperature

Dubuque Regional Airport (23 miles)

  • Lowest 12 July, 2026

    62.1 °F

  • Average July

    77 °F

  • Highest 14 July, 2026

    91 °F

Climate (2021–2026)

Dubuque Regional Airport (23 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.5 °F
Get WillyWeather+ to remove ads