Erin Aero Airport Rainfall Forecast
- 85%
- 20%
- 25%
- 10%
- 5%
- 15%
- 25%
Erin Aero Airport Rainfall Statistics
April Rainfall
Waukesha County Airport (14.9 miles)
Total Rainfall April
4.7inDaily Average April
0.3inWettest Day 15 April, 2026
1.4inWet Days April
10/28 (36%)
Climate (2010–Present)
Waukesha County Airport (14.9 miles)
Annual Average 2021–2025
12.3inMonthly Average 2021–2026
1inDaily Average 2021–2026
0.04inWettest Day 9 August, 2025
4.4in