McCormack Slough Rainfall Forecast

Today 9 Jul
No Rain
Fri 10 Jul
No Rain
Sat 11 Jul
No Rain
Sun 12 Jul
No Rain
Mon 13 Jul
5%
Tue 14 Jul
10%
Wed 15 Jul
5%

McCormack Slough Rainfall Statistics

July Rainfall

Hermiston, Hermiston Municipal Airport (16.2 miles)

Total Rainfall 2026
4.3in
Daily Average 2026
0.02in
Wettest Day 8 February, 2026
0.7in
Wet Days 2026
34/190 (18%)
Total Rainfall June
0.1in
Daily Average June
0in
Wettest Day 26 June, 2026
0.1in
Wet Days June
4/30 (13%)
Total Rainfall July
0in
Daily Average July
0in
Wettest Day 1 July, 2026
0in
Wet Days July
–

Climate (2021–2025)

Hermiston, Hermiston Municipal Airport (16.2 miles)

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Annual Average 2021–2025
9.4in
Monthly Average 2021–2026
0.8in
Daily Average 2021–2026
0.03in
Wettest Day 5 May, 2024
1.1in

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