Block Island Rainfall Forecast
- 35%
- 15%
- No Rain
- No Rain
- 10%
- 30%
- 15%
Block Island Rainfall Statistics
September Rainfall
Block Island State Airport (0.6 miles)
Total Rainfall September
0.1inDaily Average September
0.03inWettest Day 3 September, 2026
0.1inWet Days September
1/5 (20%)
Climate (2021–2025)
Block Island State Airport (0.6 miles)
Annual Average 2021–2025
16.5inMonthly Average 2021–2026
1.1inDaily Average 2021–2026
0.04inWettest Day 11 December, 2024
1.3in