Waterloo Rainfall Forecast

Today 14 Sep
30%
Tue 15 Sep
No Rain
Wed 16 Sep
25%
Thu 17 Sep
70%
Fri 18 Sep
35%
Sat 19 Sep
35%
Sun 20 Sep
50%

Waterloo Rainfall Statistics

September Rainfall

Penn Yan, Penn Yan Airport (19.9 miles)

Total Rainfall 2026
22in
Daily Average 2026
0.1in
Wettest Day 18 July, 2026
1.3in
Wet Days 2026
84/257 (33%)
Total Rainfall August
2.2in
Daily Average August
0.1in
Wettest Day 6 August, 2026
0.9in
Wet Days August
11/31 (35%)
Total Rainfall September
1.5in
Daily Average September
0.1in
Wettest Day 2 September, 2026
0.8in
Wet Days September
4/14 (29%)

Climate (2021–2025)

Penn Yan, Penn Yan Airport (19.9 miles)

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Annual Average 2021–2025
29.3in
Monthly Average 2021–2026
2.4in
Daily Average 2021–2026
0.1in
Wettest Day 9 August, 2024
3.1in

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