Columbia River - Cathlamet Channel Rainfall Forecast

Today 20 Apr
45%
Tue 21 Apr
75%
Wed 22 Apr
75%
Thu 23 Apr
10%
Fri 24 Apr
No Rain
Sat 25 Apr
5%
Sun 26 Apr
10%

Columbia River - Cathlamet Channel Rainfall Statistics

April Rainfall

Astoria, Astoria Regional Airport (23.6 miles)

Total Rainfall 2026
24.8in
Daily Average 2026
0.3in
Wettest Day 11 March, 2026
1.9in
Wet Days 2026
51/110 (46%)
Total Rainfall March
9.8in
Daily Average March
0.3in
Wettest Day 11 March, 2026
1.9in
Wet Days March
20/31 (65%)
Total Rainfall April
4.2in
Daily Average April
0.2in
Wettest Day 14 April, 2026
1.9in
Wet Days April
8/20 (40%)

Climate (2010–Present)

Astoria, Astoria Regional Airport (23.6 miles)

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Annual Average 2021–2025
65.5in
Monthly Average 2021–2026
5.2in
Daily Average 2021–2026
0.2in
Wettest Day 6 January, 2022
5.1in

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