Cougar Mountain Rainfall Forecast

Today 28 Nov
10%
Sat 29 Nov
15%
Sun 30 Nov
10%
Mon 1 Dec
60%
Tue 2 Dec
40%
Wed 3 Dec
20%
Thu 4 Dec
40%

Cougar Mountain Rainfall Statistics

November Rainfall

Renton Municipal Airport (5.6 miles)

Total Rainfall 2025
8.2in
Daily Average 2025
0.03in
Wettest Day 20 April, 2025
0.6in
Wet Days 2025
64/332 (19%)
Total Rainfall October
2.1in
Daily Average October
0.1in
Wettest Day 24 October, 2025
0.5in
Wet Days October
8/31 (26%)
Total Rainfall November
1.7in
Daily Average November
0.1in
Wettest Day 1 November, 2025
0.4in
Wet Days November
10/28 (36%)

Climate (2010–Present)

Renton Municipal Airport (5.6 miles)

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Annual Average 2020–2024
17.3in
Monthly Average 2020–2025
1.3in
Daily Average 2020–2025
0.04in
Wettest Day 28 October, 2021
1.5in

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