Turn Island Rainfall Forecast

Today 15 Sep
No Rain
Tue 16 Sep
5%
Wed 17 Sep
No Rain
Thu 18 Sep
No Rain
Fri 19 Sep
5%
Sat 20 Sep
50%
Sun 21 Sep
60%

Turn Island Rainfall Statistics

September Rainfall

Friday Harbor Airport (2.5 miles)

Total Rainfall 2025
9.6in
Daily Average 2025
0.04in
Wettest Day 21 June, 2025
0.8in
Wet Days 2025
72/258 (28%)
Total Rainfall August
0.8in
Daily Average August
0.03in
Wettest Day 15 August, 2025
0.4in
Wet Days August
6/31 (19%)
Total Rainfall September
0.1in
Daily Average September
0in
Wettest Day 6 September, 2025
0.1in
Wet Days September
1/15 (7%)

Climate (2010–Present)

Friday Harbor Airport (2.5 miles)

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Annual Average 2020–2024
20.9in
Monthly Average 2020–2025
1.7in
Daily Average 2020–2025
0.1in
Wettest Day 21 December, 2020
2.5in

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