McNary Lake Rainfall Forecast

Today 15 May
75%
Fri 16 May
65%
Sat 17 May
90%
Sun 18 May
40%
Mon 19 May
55%
Tue 20 May
35%
Wed 21 May
10%

McNary Lake Rainfall Statistics

May Rainfall

Scappoose Industrial Airpark (3.1 miles)

Total Rainfall 2025
11.8in
Daily Average 2025
0.1in
Wettest Day 24 February, 2025
1in
Wet Days 2025
56/135 (41%)
Total Rainfall April
1.3in
Daily Average April
0.04in
Wettest Day 6 April, 2025
0.5in
Wet Days April
10/30 (33%)
Total Rainfall May
0.5in
Daily Average May
0.04in
Wettest Day 11 May, 2025
0.3in
Wet Days May
2/15 (13%)

Climate (2010–Present)

Scappoose Industrial Airpark (3.1 miles)

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Annual Average 2020–2024
36.7in
Monthly Average 2020–2025
3in
Daily Average 2020–2025
0.1in
Wettest Day 4 November, 2022
3.1in

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