Johnstown Rainfall Forecast

Today 6 Sep
15%
Mon 7 Sep
No Rain
Tue 8 Sep
No Rain
Wed 9 Sep
5%
Thu 10 Sep
55%
Fri 11 Sep
10%
Sat 12 Sep
10%

Johnstown Rainfall Statistics

September Rainfall

Knox County Airfield (14.3 miles)

Total Rainfall 2026
23.5in
Daily Average 2026
0.1in
Wettest Day 14 August, 2026
1.7in
Wet Days 2026
68/249 (27%)
Total Rainfall August
5.3in
Daily Average August
0.2in
Wettest Day 14 August, 2026
1.7in
Wet Days August
13/31 (42%)
Total Rainfall September
0.3in
Daily Average September
0.1in
Wettest Day 1 September, 2026
0.3in
Wet Days September
1/6 (17%)

Climate (2021–2025)

Knox County Airfield (14.3 miles)

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Annual Average 2021–2025
32.9in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 2 April, 2024
3.1in

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