Waterloo Rainfall Forecast

Today 16 May
35%
Sat 17 May
20%
Sun 18 May
5%
Mon 19 May
45%
Tue 20 May
85%
Wed 21 May
80%
Thu 22 May
25%

Waterloo Rainfall Statistics

May Rainfall

Waterloo, Waterloo Municipal Airport (5 miles)

Total Rainfall 2025
8.8in
Daily Average 2025
0.1in
Wettest Day 23 April, 2025
2.5in
Wet Days 2025
31/136 (23%)
Total Rainfall April
5.8in
Daily Average April
0.2in
Wettest Day 23 April, 2025
2.5in
Wet Days April
12/30 (40%)
Total Rainfall May
0.1in
Daily Average May
0.01in
Wettest Day 1 May, 2025
0.1in
Wet Days May
2/16 (13%)

Climate (2010–Present)

Waterloo, Waterloo Municipal Airport (5 miles)

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Annual Average 2020–2024
31.2in
Monthly Average 2020–2025
2.6in
Daily Average 2020–2025
0.1in
Wettest Day 22 October, 2020
2.9in

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