Nez Perce National Historical Park Rainfall Forecast

Today 18 Sep
No Rain
Fri 19 Sep
No Rain
Sat 20 Sep
10%
Sun 21 Sep
30%
Mon 22 Sep
No Rain
Tue 23 Sep
5%
Wed 24 Sep
15%

Nez Perce National Historical Park Rainfall Statistics

September Rainfall

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

Total Rainfall 2025
6.4in
Daily Average 2025
0.02in
Wettest Day 3 January, 2025
0.7in
Wet Days 2025
66/261 (25%)
Total Rainfall August
0.3in
Daily Average August
0.01in
Wettest Day 7 August, 2025
0.1in
Wet Days August
7/31 (23%)
Total Rainfall September
0.9in
Daily Average September
0.1in
Wettest Day 14 September, 2025
0.4in
Wet Days September
6/18 (33%)

Climate (2010–Present)

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

Take a look at our website widgetsAvailable free! Find Out More

Annual Average 2020–2024
12.1in
Monthly Average 2020–2025
0.9in
Daily Average 2020–2025
0.03in
Wettest Day 6 January, 2022
0.7in

Get WillyWeather+ to remove ads