Bertom Lake Weather Forecast
- 39
- 60
Becoming Sunny
- 49
- 63
Rain Showers
- 45
- 62
Rain Showers Likely
- 39
- 61
Chance Rain Showers
- 48
- 67
Mostly Sunny
- 55
- 74
Partly Sunny
Today 29 Apr Grant
Mostly cloudy. Much cooler with Highs around 60. West Winds 10 to 20 Mph with Gusts up to 30 Mph, becoming northwest 10 to 15 Mph this afternoon.
Tonight 29 Apr Grant
Mostly clear in the Evening, then becoming partly cloudy. Colder with Lows in the upper 30s. North Winds around 5 Mph, becoming east after midnight.
Bertom Lake Temperature Statistics
April Temperature
Dubuque Regional Airport (23 miles)
Lowest 8 April, 2025
18.8 °FAverage April
47.8 °FHighest 24 April, 2025
77 °F
Climate (2020–Present)
Dubuque Regional Airport (23 miles)
Average Low 2020–2025
40.3 °FAverage 2020–2025
49.5 °FAverage High 2020–2025
58.7 °F