Happy Valley Rainfall Forecast

Today 7 Apr
No Rain
Wed 8 Apr
No Rain
Thu 9 Apr
5%
Fri 10 Apr
35%
Sat 11 Apr
60%
Sun 12 Apr
60%
Mon 13 Apr
20%

Happy Valley Rainfall Statistics

April Rainfall

Portland, Portland-Troutdale Airport (8.7 miles)

Total Rainfall 2026
13.3in
Daily Average 2026
0.1in
Wettest Day 12 March, 2026
1.8in
Wet Days 2026
45/97 (46%)
Total Rainfall March
5.1in
Daily Average March
0.2in
Wettest Day 12 March, 2026
1.8in
Wet Days March
17/31 (55%)
Total Rainfall April
0.5in
Daily Average April
0.1in
Wettest Day 1 April, 2026
0.4in
Wet Days April
2/7 (29%)

Climate (2010–Present)

Portland, Portland-Troutdale Airport (8.7 miles)

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Annual Average 2021–2025
39.7in
Monthly Average 2021–2026
3.4in
Daily Average 2021–2026
0.1in
Wettest Day 18 December, 2025
2.3in

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