Johnstown Rainfall Forecast
- 45%
- No Rain
- 5%
- 5%
- 25%
- 25%
- 25%
Johnstown Rainfall Statistics
July Rainfall
Ainsworth Regional Airport (2.5 miles)
Total Rainfall July
1.9inDaily Average July
0.1inWettest Day 1 July, 2026
1.6inWet Days July
3/24 (13%)
Climate (2021–2025)
Ainsworth Regional Airport (2.5 miles)
Annual Average 2021–2025
26.9inMonthly Average 2021–2026
2.4inDaily Average 2021–2026
0.1inWettest Day 20 June, 2024
4.3in