Portsmouth Rainfall Forecast
- 95%
- 45%
- 5%
- No Rain
- No Rain
- No Rain
- No Rain
Portsmouth Rainfall Statistics
August Rainfall
Pearson Airfield (3.7 miles)
Total Rainfall August
0.4inDaily Average August
0.03inWettest Day 6 August, 2025
0.4inWet Days August
1/15 (7%)
Climate (2010–Present)
Pearson Airfield (3.7 miles)
Annual Average 2020–2024
36.5inMonthly Average 2020–2025
3inDaily Average 2020–2025
0.1inWettest Day 26 December, 2022
2.6in