Boulder Island Rainfall Forecast

Today 10 Sep
No Rain
Fri 11 Sep
5%
Sat 12 Sep
50%
Sun 13 Sep
40%
Mon 14 Sep
No Rain
Tue 15 Sep
No Rain
Wed 16 Sep
No Rain

Boulder Island Rainfall Statistics

September Rainfall

Whidbey Island Naval Air Station - Ault Field (8.1 miles)

Total Rainfall 2026
9.8in
Daily Average 2026
0.04in
Wettest Day 4 March, 2026
0.5in
Wet Days 2026
76/253 (30%)
Total Rainfall August
0.6in
Daily Average August
0.02in
Wettest Day 28 August, 2026
0.2in
Wet Days August
4/31 (13%)
Total Rainfall September
0.1in
Daily Average September
0.01in
Wettest Day 4 September, 2026
0.1in
Wet Days September
3/10 (30%)

Climate (2021–2025)

Whidbey Island Naval Air Station - Ault Field (8.1 miles)

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Annual Average 2021–2025
18.2in
Monthly Average 2021–2026
1.5in
Daily Average 2021–2026
0.1in
Wettest Day 10 December, 2025
1.2in

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