Grand Island Rainfall Forecast
- 75%
- 75%
- 40%
- 70%
- 65%
- 20%
- 5%
Grand Island Rainfall Statistics
August Rainfall
Niagara Falls, Niagara Falls International Airport (5.6 miles)
Total Rainfall August
6.2inDaily Average August
0.2inWettest Day 2 August, 2026
2.6inWet Days August
9/30 (30%)
Climate (2021–2025)
Niagara Falls, Niagara Falls International Airport (5.6 miles)
Annual Average 2021–2025
22.7inMonthly Average 2021–2026
2.1inDaily Average 2021–2026
0.1inWettest Day 21 July, 2026
2.8in