Williamsport Rainfall Forecast

Today 14 Sep
10%
Tue 15 Sep
No Rain
Wed 16 Sep
40%
Thu 17 Sep
20%
Fri 18 Sep
25%
Sat 19 Sep
20%
Sun 20 Sep
25%

Williamsport Rainfall Statistics

September Rainfall

Chillicothe Ross County Airport (11.2 miles)

Total Rainfall 2026
32.8in
Daily Average 2026
0.1in
Wettest Day 10 July, 2026
3.1in
Wet Days 2026
56/257 (22%)
Total Rainfall August
0in
Daily Average August
0in
Wettest Day 1 August, 2026
0in
Wet Days August
–
Total Rainfall September
2.9in
Daily Average September
0.2in
Wettest Day 9 September, 2026
1.1in
Wet Days September
5/14 (36%)

Climate (2021–2025)

Chillicothe Ross County Airport (11.2 miles)

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Annual Average 2021–2025
48.6in
Monthly Average 2021–2026
4.2in
Daily Average 2021–2026
0.2in
Wettest Day 7 October, 2025
3.9in

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