Sinsinawa Weather Forecast
- 58
- 81
Increasing Clouds
- 55
- 76
Mostly Sunny
- 59
- 79
Partly Sunny
- 60
- 79
Mostly Sunny
- 67
- 84
Mostly Sunny
- 68
- 89
Mostly Sunny
Today 21 Jul Grant
Mostly sunny. Highs around 80. Northwest Winds 10 to 20 Mph.
Tonight 21 Jul Grant
Partly cloudy. Cooler with Lows in the mid 50s. North Winds 10 to 15 Mph.
Sinsinawa Temperature Statistics
July Temperature
Dubuque Regional Airport (11.8 miles)
Lowest 12 July, 2026
62.1 °FAverage July
77 °FHighest 14 July, 2026
91 °F
Climate (2021–2026)
Dubuque Regional Airport (11.8 miles)
Average Low 2021–2026
40.6 °FAverage 2021–2026
50.1 °FAverage High 2021–2026
59.5 °F