Columbia River - Chinook Landing Rainfall Forecast

Today 17 Mar
55%
Wed 18 Mar
35%
Thu 19 Mar
40%
Fri 20 Mar
65%
Sat 21 Mar
30%
Sun 22 Mar
15%
Mon 23 Mar
50%

Columbia River - Chinook Landing Rainfall Statistics

March Rainfall

Portland, Portland-Troutdale Airport (1.2 miles)

Total Rainfall 2026
12.4in
Daily Average 2026
0.2in
Wettest Day 12 March, 2026
1.9in
Wet Days 2026
37/76 (49%)
Total Rainfall February
5.1in
Daily Average February
0.2in
Wettest Day 23 February, 2026
1.3in
Wet Days February
16/28 (57%)
Total Rainfall March
4.7in
Daily Average March
0.3in
Wettest Day 12 March, 2026
1.9in
Wet Days March
11/17 (65%)

Climate (2010–Present)

Portland, Portland-Troutdale Airport (1.2 miles)

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Annual Average 2021–2025
39.7in
Monthly Average 2021–2026
3.3in
Daily Average 2021–2026
0.1in
Wettest Day 18 December, 2025
2.3in

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