McNary Rainfall Forecast

Today 30 Dec
No Rain
Wed 31 Dec
5%
Thu 1 Jan
50%
Fri 2 Jan
50%
Sat 3 Jan
30%
Sun 4 Jan
20%
Mon 5 Jan
15%

McNary Rainfall Statistics

December Rainfall

Hermiston, Hermiston Municipal Airport (6.2 miles)

Total Rainfall 2025
10.6in
Daily Average 2025
0.03in
Wettest Day 7 April, 2025
0.6in
Wet Days 2025
79/364 (22%)
Total Rainfall November
1.2in
Daily Average November
0.1in
Wettest Day 28 November, 2025
0.4in
Wet Days November
11/30 (37%)
Total Rainfall December
2in
Daily Average December
0.1in
Wettest Day 9 December, 2025
0.6in
Wet Days December
11/30 (37%)

Climate (2010–Present)

Hermiston, Hermiston Municipal Airport (6.2 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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