Nez Perce National Historical Park Rainfall Forecast

Today 29 Aug
5%
Sun 30 Aug
No Rain
Mon 31 Aug
No Rain
Tue 1 Sep
45%
Wed 2 Sep
50%
Thu 3 Sep
45%
Fri 4 Sep
30%

Nez Perce National Historical Park Rainfall Statistics

August Rainfall

Lewiston, Lewiston-Nez Perce County Airport (10.6 miles)

Total Rainfall 2026
9.1in
Daily Average 2026
0.04in
Wettest Day 4 March, 2026
0.9in
Wet Days 2026
50/241 (21%)
Total Rainfall July
0.01in
Daily Average July
0in
Wettest Day 17 July, 2026
0.01in
Wet Days July
1/31 (3%)
Total Rainfall August
0.1in
Daily Average August
0in
Wettest Day 15 August, 2026
0.1in
Wet Days August
3/29 (10%)

Climate (2021–2025)

Lewiston, Lewiston-Nez Perce County Airport (10.6 miles)

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Annual Average 2021–2025
11.2in
Monthly Average 2021–2026
1in
Daily Average 2021–2026
0.03in
Wettest Day 4 March, 2026
0.9in

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