Ottawa Rainfall Forecast

Today 12 Sep
No Rain
Sat 13 Sep
No Rain
Sun 14 Sep
No Rain
Mon 15 Sep
No Rain
Tue 16 Sep
No Rain
Wed 17 Sep
No Rain
Thu 18 Sep
10%

Ottawa Rainfall Statistics

September Rainfall

Williamsport - Lycoming County Airport (15.5 miles)

Total Rainfall 2025
26.7in
Daily Average 2025
0.1in
Wettest Day 5 March, 2025
1.9in
Wet Days 2025
91/255 (36%)
Total Rainfall August
1.4in
Daily Average August
0.05in
Wettest Day 24 August, 2025
0.9in
Wet Days August
5/31 (16%)
Total Rainfall September
0.1in
Daily Average September
0.01in
Wettest Day 6 September, 2025
0.1in
Wet Days September
2/12 (17%)

Climate (2010–Present)

Williamsport - Lycoming County Airport (15.5 miles)

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Annual Average 2020–2024
42.3in
Monthly Average 2020–2025
3.5in
Daily Average 2020–2025
0.1in
Wettest Day 9 August, 2024
3.3in

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