Heppner Rainfall Forecast

Today 14 Apr
40%
Wed 15 Apr
90%
Thu 16 Apr
15%
Fri 17 Apr
No Rain
Sat 18 Apr
20%
Sun 19 Apr
45%
Mon 20 Apr
35%

Heppner Rainfall Statistics

April Rainfall

Hermiston, Hermiston Municipal Airport (35.4 miles)

Total Rainfall 2026
3.1in
Daily Average 2026
0.03in
Wettest Day 8 February, 2026
0.7in
Wet Days 2026
23/104 (22%)
Total Rainfall March
0.5in
Daily Average March
0.01in
Wettest Day 21 March, 2026
0.2in
Wet Days March
6/31 (19%)
Total Rainfall April
0.5in
Daily Average April
0.04in
Wettest Day 1 April, 2026
0.4in
Wet Days April
3/14 (21%)

Climate (2010–Present)

Hermiston, Hermiston Municipal Airport (35.4 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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