Grantham Rainfall Forecast
- 25%
- No Rain
- No Rain
- 15%
- 50%
- 40%
- 50%
Grantham Rainfall Statistics
February Rainfall
Harrisburg, Capital City Airport (8.1 miles)
Total Rainfall February
1.6inDaily Average February
0.1inWettest Day 22 February, 2026
0.6inWet Days February
5/26 (19%)
Climate (2010–Present)
Harrisburg, Capital City Airport (8.1 miles)
Annual Average 2021–2025
36.5inMonthly Average 2021–2026
3inDaily Average 2021–2026
0.1inWettest Day 1 September, 2021
5.3in