St. Clair Regional Airport Rainfall Forecast

Today 15 Aug
15%
Sun 16 Aug
20%
Mon 17 Aug
35%
Tue 18 Aug
No Rain
Wed 19 Aug
25%
Thu 20 Aug
30%
Fri 21 Aug
15%

St. Clair Regional Airport Rainfall Statistics

August Rainfall

Washington Regional Airport (14.3 miles)

Total Rainfall 2026
27.2in
Daily Average 2026
0.1in
Wettest Day 18 May, 2026
2.5in
Wet Days 2026
61/227 (27%)
Total Rainfall July
4.7in
Daily Average July
0.2in
Wettest Day 5 July, 2026
1.7in
Wet Days July
9/31 (29%)
Total Rainfall August
2.2in
Daily Average August
0.2in
Wettest Day 6 August, 2026
2.1in
Wet Days August
3/15 (20%)

Climate (2021–2025)

Washington Regional Airport (14.3 miles)

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Annual Average 2021–2025
5.6in
Monthly Average 2021–2026
0.6in
Daily Average 2021–2026
0.02in
Wettest Day 18 May, 2026
2.5in

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