Columbia River - Chinook Rainfall Forecast

Today 4 Sep
10%
Fri 5 Sep
25%
Sat 6 Sep
55%
Sun 7 Sep
40%
Mon 8 Sep
70%
Tue 9 Sep
70%
Wed 10 Sep
50%

Columbia River - Chinook Rainfall Statistics

September Rainfall

Astoria, Astoria Regional Airport (8.1 miles)

Total Rainfall 2025
28in
Daily Average 2025
0.1in
Wettest Day 15 August, 2025
1.5in
Wet Days 2025
100/247 (40%)
Total Rainfall August
1.8in
Daily Average August
0.1in
Wettest Day 15 August, 2025
1.5in
Wet Days August
6/31 (19%)
Total Rainfall September
0in
Daily Average September
0in
Wettest Day 1 September, 2025
0in
Wet Days September
–

Climate (2010–Present)

Astoria, Astoria Regional Airport (8.1 miles)

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Annual Average 2020–2024
68.7in
Monthly Average 2020–2025
5.5in
Daily Average 2020–2025
0.2in
Wettest Day 6 January, 2022
5.1in

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