Black Diamond Airport Rainfall Forecast

Today 20 Sep
No Rain
Mon 21 Sep
No Rain
Tue 22 Sep
No Rain
Wed 23 Sep
10%
Thu 24 Sep
40%
Fri 25 Sep
50%
Sat 26 Sep
10%

Black Diamond Airport Rainfall Statistics

September Rainfall

Renton Municipal Airport (15.5 miles)

Total Rainfall 2026
18.3in
Daily Average 2026
0.1in
Wettest Day 13 March, 2026
1.3in
Wet Days 2026
70/263 (27%)
Total Rainfall August
0.3in
Daily Average August
0.01in
Wettest Day 29 August, 2026
0.3in
Wet Days August
1/31 (3%)
Total Rainfall September
0.7in
Daily Average September
0.04in
Wettest Day 13 September, 2026
0.5in
Wet Days September
5/20 (25%)

Climate (2021–2025)

Renton Municipal Airport (15.5 miles)

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

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