Dubuque Weather Forecast
- 59
- 79
Mostly Cloudy
- 55
- 81
Slight Chance Thunderstorms
- 54
- 83
Mostly Sunny
- 60
- 86
Partly Sunny
- 64
- 88
Chance Thunderstorms
- 64
- 87
Chance Thunderstorms
Today 31 May Dubuque
Mostly cloudy. A slight chance of Showers this afternoon. Highs in the upper 70s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.
Tonight 31 May Dubuque
Mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows in the upper 50s. East Winds 5 to 10 Mph. Chance of rain 20 percent.
Dubuque Temperature Statistics
May Temperature
Dubuque Regional Airport (7.5 miles)
Lowest 2 May, 2026
32 °FAverage May
59.8 °FHighest 27 May, 2026
89.1 °F
Climate (2021–Present)
Dubuque Regional Airport (7.5 miles)
Average Low 2021–2026
40.6 °FAverage 2021–2026
50.1 °FAverage High 2021–2026
59.5 °F