Knappa Slough - Blind Slough Entrance Rainfall Forecast

Today 5 Oct
No Rain
Tue 6 Oct
No Rain
Wed 7 Oct
No Rain
Thu 8 Oct
No Rain
Fri 9 Oct
25%
Sat 10 Oct
10%
Sun 11 Oct
5%

Knappa Slough - Blind Slough Entrance Rainfall Statistics

October Rainfall

Astoria, Astoria Regional Airport (14.3 miles)

Total Rainfall 2026
35.2 in
Daily Average 2026
0.1 in
Wettest Day 11 March, 2026
1.9 in
Wet Days 2026
94/278 (34%)
Total Rainfall September
3.4 in
Daily Average September
0.1 in
Wettest Day 3 September, 2026
1.2 in
Wet Days September
10/30 (33%)
Total Rainfall October
0 in
Daily Average October
0 in
Wettest Day 1 October, 2026
0 in
Wet Days October
–

Climate (2021–2025)

Astoria, Astoria Regional Airport (14.3 miles)

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

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