Portsmouth Island Rainfall Forecast
- 75%
- 95%
- 70%
- 10%
- No Rain
- 35%
- 60%
Portsmouth Island Rainfall Statistics
February Rainfall
Piney Island, Bt-11 Bombing Range (21.7 miles)
Total Rainfall February
0.9inDaily Average February
0.05inWettest Day 15 February, 2026
0.6inWet Days February
5/21 (24%)
Climate (2010–Present)
Piney Island, Bt-11 Bombing Range (21.7 miles)
Annual Average 2021–2025
30.1inMonthly Average 2021–2026
2.4inDaily Average 2021–2026
0.1inWettest Day 3 August, 2021
4.8in