Lake Wallula Rainfall Forecast

Today 19 Oct
65%
Mon 20 Oct
No Rain
Tue 21 Oct
No Rain
Wed 22 Oct
5%
Thu 23 Oct
5%
Fri 24 Oct
65%
Sat 25 Oct
60%

Lake Wallula Rainfall Statistics

October Rainfall

Hermiston, Hermiston Municipal Airport (7.5 miles)

Total Rainfall 2025
7in
Daily Average 2025
0.02in
Wettest Day 7 April, 2025
0.6in
Wet Days 2025
54/292 (18%)
Total Rainfall September
0.6in
Daily Average September
0.02in
Wettest Day 11 September, 2025
0.4in
Wet Days September
5/30 (17%)
Total Rainfall October
0.5in
Daily Average October
0.03in
Wettest Day 13 October, 2025
0.3in
Wet Days October
4/19 (21%)

Climate (2010–Present)

Hermiston, Hermiston Municipal Airport (7.5 miles)

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Annual Average 2020–2024
8.2in
Monthly Average 2020–2025
0.8in
Daily Average 2020–2025
0.03in
Wettest Day 5 May, 2024
1.1in

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