Mount St Helens Rainfall Forecast

Today 4 Jun
5%
Fri 5 Jun
75%
Sat 6 Jun
95%
Sun 7 Jun
50%
Mon 8 Jun
75%
Tue 9 Jun
75%
Wed 10 Jun
60%

Mount St Helens Rainfall Statistics

June Rainfall

Southwest Washington Regional Airport (33.6 miles)

Total Rainfall 2026
15in
Daily Average 2026
0.1in
Wettest Day 13 March, 2026
1.6in
Wet Days 2026
58/155 (37%)
Total Rainfall May
0in
Daily Average May
0in
Wettest Day 1 May, 2026
0in
Wet Days May
–
Total Rainfall June
0in
Daily Average June
0in
Wettest Day 1 June, 2026
0in
Wet Days June
–

Climate (2010–Present)

Southwest Washington Regional Airport (33.6 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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