Mount Rainier National Park Rainfall Forecast

Today 7 Aug
No Rain
Sat 8 Aug
No Rain
Sun 9 Aug
No Rain
Mon 10 Aug
No Rain
Tue 11 Aug
No Rain
Wed 12 Aug
No Rain
Thu 13 Aug
No Rain

Mount Rainier National Park Rainfall Statistics

August Rainfall

Stampede Pass (31.1 miles)

Total Rainfall 2026
33.3in
Daily Average 2026
0.2in
Wettest Day 13 March, 2026
3.2in
Wet Days 2026
73/219 (33%)
Total Rainfall July
0.5in
Daily Average July
0.02in
Wettest Day 22 July, 2026
0.3in
Wet Days July
6/31 (19%)
Total Rainfall August
0.1in
Daily Average August
0.01in
Wettest Day 1 August, 2026
0.04in
Wet Days August
2/7 (29%)

Climate (2021–2025)

Stampede Pass (31.1 miles)

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Annual Average 2021–2025
77.3in
Monthly Average 2021–2026
6.2in
Daily Average 2021–2026
0.2in
Wettest Day 4 November, 2022
7.4in

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