Charleston Harbor Rainfall Forecast

Today 19 Apr
30%
Mon 20 Apr
80%
Tue 21 Apr
80%
Wed 22 Apr
85%
Thu 23 Apr
30%
Fri 24 Apr
5%
Sat 25 Apr
5%

Charleston Harbor Rainfall Statistics

April Rainfall

Southwest Oregon Regional Airport (6.2 miles)

Total Rainfall 2026
16.2in
Daily Average 2026
0.2in
Wettest Day 23 February, 2026
3.5in
Wet Days 2026
40/109 (37%)
Total Rainfall March
2.2in
Daily Average March
0.1in
Wettest Day 4 March, 2026
0.8in
Wet Days March
15/31 (48%)
Total Rainfall April
0.1in
Daily Average April
0in
Wettest Day 1 April, 2026
0.1in
Wet Days April
1/19 (5%)

Climate (2010–Present)

Southwest Oregon Regional Airport (6.2 miles)

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Annual Average 2021–2025
49.2in
Monthly Average 2021–2026
4in
Daily Average 2021–2026
0.1in
Wettest Day 23 February, 2026
3.5in

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