0 in

Rain Today

Rain Last Hour
0 in

Recorded at Renton Municipal Airport Updated 42 mins ago (5.8 miles away)

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Real-Time Extremes

Hottest 87.7 °F
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Coldest 13.9 °F
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Windiest 34.4 mph
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Wettest (Last Hour) 0.3 in
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Most Humid 100%
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Least Humid 25%
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Highest Pressure 1026.4 hPa
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Lowest Pressure 980 hPa
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Cougar Mountain Rainfall Forecast

Today 13 Oct
5%
Wed 14 Oct
10%
Thu 15 Oct
No Rain
Fri 16 Oct
20%
Sat 17 Oct
55%
Sun 18 Oct
40%
Mon 19 Oct
60%

Cougar Mountain Rainfall Statistics

October Rainfall

Renton Municipal Airport (5.6 miles)

Total Rainfall 2026
18.5 in
Daily Average 2026
0.1 in
Wettest Day 13 March, 2026
1.3 in
Wet Days 2026
74/286 (26%)
Total Rainfall September
0.9 in
Daily Average September
0.03 in
Wettest Day 13 September, 2026
0.5 in
Wet Days September
8/30 (27%)
Total Rainfall October
0.02 in
Daily Average October
0 in
Wettest Day 9 October, 2026
0.02 in
Wet Days October
1/13 (8%)

Climate (2021–2025)

Renton Municipal Airport (5.6 miles)

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Annual Average 2021–2025
16.7 in
Monthly Average 2021–2026
1.5 in
Daily Average 2021–2026
0.1 in
Wettest Day 28 October, 2021
1.5 in

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