McCormack Slough Rainfall Forecast

Today 10 Nov
20%
Tue 11 Nov
5%
Wed 12 Nov
40%
Thu 13 Nov
75%
Fri 14 Nov
30%
Sat 15 Nov
35%
Sun 16 Nov
45%

McCormack Slough Rainfall Statistics

November Rainfall

Hermiston, Hermiston Municipal Airport (16.2 miles)

Total Rainfall 2025
7.4in
Daily Average 2025
0.02in
Wettest Day 7 April, 2025
0.6in
Wet Days 2025
57/314 (18%)
Total Rainfall October
1in
Daily Average October
0.04in
Wettest Day 13 October, 2025
0.3in
Wet Days October
7/31 (23%)
Total Rainfall November
–
Daily Average November
–
Wettest Day 11 November, 2025
–
Wet Days November
–

Climate (2010–Present)

Hermiston, Hermiston Municipal Airport (16.2 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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