Galena Lake Weather Forecast
- 62
- 71
Rain Showers
- 60
- 75
Rain Showers
- 52
- 66
Rain Showers Likely
- 49
- 62
Chance Rain Showers
- 47
- 62
Partly Sunny
- 48
- 65
Partly Sunny
Today 18 Sep Jo Daviess
Mostly cloudy after Midnight, then a slight chance of Showers this morning. Mostly cloudy with a chance of Showers this afternoon. Highs in the lower 70s. East Winds 10 to 15 Mph. Chance of rain 50 percent.
Tonight 18 Sep Jo Daviess
A chance of Thunderstorms. A chance of Showers in the Evening, then Showers after midnight. Locally heavy rainfall possible after midnight. Lows in the lower 60s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.
Galena Lake Temperature Statistics
September Temperature
Dubuque Regional Airport (18.6 miles)
Lowest 14 September, 2026
48.9 °FAverage September
72.4 °FHighest 1 September, 2026
91.7 °F
Climate (2021–2026)
Dubuque Regional Airport (18.6 miles)
Average Low 2021–2026
40.7 °FAverage 2021–2026
50.1 °FAverage High 2021–2026
59.5 °F