Rainier Rainfall Forecast

Today 1 Apr
100%
Thu 2 Apr
60%
Fri 3 Apr
No Rain
Sat 4 Apr
No Rain
Sun 5 Apr
No Rain
Mon 6 Apr
5%
Tue 7 Apr
20%

Rainier Rainfall Statistics

April Rainfall

Southwest Washington Regional Airport (2.5 miles)

Total Rainfall 2026
12.7in
Daily Average 2026
0.1in
Wettest Day 13 March, 2026
1.6in
Wet Days 2026
51/91 (56%)
Total Rainfall March
5.4in
Daily Average March
0.2in
Wettest Day 13 March, 2026
1.6in
Wet Days March
18/31 (58%)
Total Rainfall April
–
Daily Average April
–
Wettest Day 2 April, 2026
–
Wet Days April
–

Climate (2010–Present)

Southwest Washington Regional Airport (2.5 miles)

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Annual Average 2021–2025
39.7in
Monthly Average 2021–2026
3.3in
Daily Average 2021–2026
0.1in
Wettest Day 4 November, 2022
4.2in

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