Sinsinawa Weather Forecast
- 32
- 40
Increasing Clouds
- 37
- 52
Mostly Cloudy
- 42
- 63
Mostly Cloudy
- 43
- 70
Partly Sunny
- 26
- 57
Partly Sunny
- 28
- 44
Mostly Cloudy
Today 18 Mar Grant
Mostly sunny. Not as cool with Highs in the lower 40s. Southwest Winds 5 to 10 Mph.
Tonight 18 Mar Grant
Mostly cloudy. A slight chance of rain after midnight. Not as cool with Lows in the lower 30s. South Winds around 5 Mph. Chance of rain 20 percent.
Sinsinawa Temperature Statistics
March Temperature
Dubuque Regional Airport (11.8 miles)
Lowest 16 March, 2026
10.9 °FAverage March
38.1 °FHighest 9 March, 2026
69.1 °F
Climate (2021–Present)
Dubuque Regional Airport (11.8 miles)
Average Low 2021–2026
40.6 °FAverage 2021–2026
50 °FAverage High 2021–2026
59.3 °F