Irrigon Rainfall Forecast

Today 3 May
No Rain
Mon 4 May
No Rain
Tue 5 May
No Rain
Wed 6 May
No Rain
Thu 7 May
No Rain
Fri 8 May
No Rain
Sat 9 May
No Rain

Irrigon Rainfall Statistics

May Rainfall

Hermiston, Hermiston Municipal Airport (11.8 miles)

Total Rainfall 2026
3.2in
Daily Average 2026
0.03in
Wettest Day 8 February, 2026
0.7in
Wet Days 2026
24/123 (20%)
Total Rainfall April
0.6in
Daily Average April
0.03in
Wettest Day 1 April, 2026
0.4in
Wet Days April
4/30 (13%)
Total Rainfall May
–
Daily Average May
–
Wettest Day 3 May, 2026
–
Wet Days May
–

Climate (2010–Present)

Hermiston, Hermiston Municipal Airport (11.8 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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