Waterloo Rainfall Forecast

Today 16 Apr
10%
Fri 17 Apr
55%
Sat 18 Apr
35%
Sun 19 Apr
75%
Mon 20 Apr
25%
Tue 21 Apr
5%
Wed 22 Apr
25%

Waterloo Rainfall Statistics

April Rainfall

Altoona - Blair County Airport (32.3 miles)

Total Rainfall 2026
7.5in
Daily Average 2026
0.1in
Wettest Day 11 March, 2026
1.1in
Wet Days 2026
32/106 (30%)
Total Rainfall March
3.9in
Daily Average March
0.1in
Wettest Day 11 March, 2026
1.1in
Wet Days March
11/31 (35%)
Total Rainfall April
0.8in
Daily Average April
0.1in
Wettest Day 5 April, 2026
0.4in
Wet Days April
7/16 (44%)

Climate (2010–Present)

Altoona - Blair County Airport (32.3 miles)

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Annual Average 2021–2025
37.7in
Monthly Average 2021–2026
3.1in
Daily Average 2021–2026
0.1in
Wettest Day 1 September, 2021
5.2in

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