O'Leary's Lake Recreation Area Weather Forecast
- 29
- 52
Becoming Sunny
- 36
- 59
Mostly Sunny
- 48
- 66
Partly Sunny
- 47
- 73
Rain
- 26
- 55
Chance Rain
- 24
- 40
Partly Sunny
Today 11 Mar Grant
Mostly sunny. Much cooler with Highs in the lower 50s. Northeast Winds 5 to 10 Mph.
Tonight 11 Mar Grant
Partly cloudy. Lows in the upper 20s. East Winds 5 to 10 Mph.
O'Leary's Lake Recreation Area Temperature Statistics
March Temperature
Dubuque Regional Airport (10.6 miles)
Lowest 2 March, 2025
13.7 °FAverage March
35.1 °FHighest 9 March, 2025
57.9 °F
Climate (2020–Present)
Dubuque Regional Airport (10.6 miles)
Average Low 2020–2025
40.2 °FAverage 2020–2025
49.4 °FAverage High 2020–2025
58.6 °F