Rattlesnake Mountain Scenic Area Rainfall Forecast

Today 12 Sep
5%
Sat 13 Sep
20%
Sun 14 Sep
75%
Mon 15 Sep
10%
Tue 16 Sep
No Rain
Wed 17 Sep
35%
Thu 18 Sep
25%

Rattlesnake Mountain Scenic Area Rainfall Statistics

September Rainfall

Renton Municipal Airport (18.6 miles)

Total Rainfall 2025
4.4in
Daily Average 2025
0.02in
Wettest Day 20 April, 2025
0.6in
Wet Days 2025
45/255 (18%)
Total Rainfall August
0.4in
Daily Average August
0.01in
Wettest Day 15 August, 2025
0.2in
Wet Days August
3/31 (10%)
Total Rainfall September
0.01in
Daily Average September
0in
Wettest Day 7 September, 2025
0.01in
Wet Days September
1/12 (8%)

Climate (2010–Present)

Renton Municipal Airport (18.6 miles)

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Annual Average 2020–2024
17.3in
Monthly Average 2020–2025
1.4in
Daily Average 2020–2025
0.05in
Wettest Day 28 October, 2021
1.5in

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