North Fork Reservoir Rainfall Forecast

Today 3 May
5%
Mon 4 May
5%
Tue 5 May
5%
Wed 6 May
No Rain
Thu 7 May
No Rain
Fri 8 May
20%
Sat 9 May
15%

North Fork Reservoir Rainfall Statistics

May Rainfall

Portland, Portland-Troutdale Airport (22.4 miles)

Total Rainfall 2026
15.3in
Daily Average 2026
0.1in
Wettest Day 12 March, 2026
1.8in
Wet Days 2026
52/123 (42%)
Total Rainfall April
2.5in
Daily Average April
0.1in
Wettest Day 15 April, 2026
0.8in
Wet Days April
9/30 (30%)
Total Rainfall May
–
Daily Average May
–
Wettest Day 3 May, 2026
–
Wet Days May
–

Climate (2010–Present)

Portland, Portland-Troutdale Airport (22.4 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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