Charleston Harbor Rainfall Forecast

Today 18 Oct
10%
Mon 19 Oct
15%
Tue 20 Oct
No Rain
Wed 21 Oct
No Rain
Thu 22 Oct
45%
Fri 23 Oct
20%
Sat 24 Oct
30%

Charleston Harbor Rainfall Statistics

October Rainfall

Southwest Oregon Regional Airport (6.2 miles)

Total Rainfall 2026
18.7 in
Daily Average 2026
0.1 in
Wettest Day 23 February, 2026
3.5 in
Wet Days 2026
52/291 (18%)
Total Rainfall September
2.4 in
Daily Average September
0.1 in
Wettest Day 3 September, 2026
0.9 in
Wet Days September
8/30 (27%)
Total Rainfall October
0.03 in
Daily Average October
0 in
Wettest Day 15 October, 2026
0.02 in
Wet Days October
2/18 (11%)

Climate (2021–2025)

Southwest Oregon Regional Airport (6.2 miles)

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

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