McNary Rainfall Forecast

Today 18 Dec
100%
Fri 19 Dec
35%
Sat 20 Dec
10%
Sun 21 Dec
55%
Mon 22 Dec
20%
Tue 23 Dec
35%
Wed 24 Dec
40%

McNary Rainfall Statistics

December Rainfall

Hermiston, Hermiston Municipal Airport (6.2 miles)

Total Rainfall 2025
9.6in
Daily Average 2025
0.03in
Wettest Day 7 April, 2025
0.6in
Wet Days 2025
72/352 (20%)
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
1.1in
Daily Average December
0.1in
Wettest Day 9 December, 2025
0.6in
Wet Days December
4/18 (22%)

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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