Johnstown Flood National Memorial Rainfall Forecast

Today 26 Sep
No Rain
Sun 27 Sep
55%
Mon 28 Sep
20%
Tue 29 Sep
10%
Wed 30 Sep
5%
Thu 1 Oct
15%
Fri 2 Oct
35%

Johnstown Flood National Memorial Rainfall Statistics

September Rainfall

Johnstown - Cambria County Airport (3.7 miles)

Total Rainfall 2026
42in
Daily Average 2026
0.2in
Wettest Day 3 September, 2026
2.6in
Wet Days 2026
128/269 (48%)
Total Rainfall August
6.1in
Daily Average August
0.2in
Wettest Day 2 August, 2026
1.6in
Wet Days August
13/31 (42%)
Total Rainfall September
7.2in
Daily Average September
0.3in
Wettest Day 3 September, 2026
2.6in
Wet Days September
13/26 (50%)

Climate (2021–2025)

Johnstown - Cambria County Airport (3.7 miles)

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Annual Average 2021–2025
43.5in
Monthly Average 2021–2026
3.8in
Daily Average 2021–2026
0.1in
Wettest Day 9 August, 2024
3.4in

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