McCormack Slough Rainfall Forecast

Today 4 Jul
20%
Sat 5 Jul
No Rain
Sun 6 Jul
No Rain
Mon 7 Jul
No Rain
Tue 8 Jul
No Rain
Wed 9 Jul
5%
Thu 10 Jul
No Rain

McCormack Slough Rainfall Statistics

July Rainfall

Hermiston, Hermiston Municipal Airport (16.2 miles)

Total Rainfall 2025
5.5in
Daily Average 2025
0.03in
Wettest Day 7 April, 2025
0.6in
Wet Days 2025
39/185 (21%)
Total Rainfall June
0.01in
Daily Average June
0in
Wettest Day 22 June, 2025
0.01in
Wet Days June
1/30 (3%)
Total Rainfall July
0in
Daily Average July
0in
Wettest Day 1 July, 2025
0in
Wet Days July
–

Climate (2010–Present)

Hermiston, Hermiston Municipal Airport (16.2 miles)

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Annual Average 2020–2024
8.2in
Monthly Average 2020–2025
0.7in
Daily Average 2020–2025
0.02in
Wettest Day 5 May, 2024
1.1in

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