San Juan Island - Friday Harbor Rainfall Forecast

Today 22 Jun
No Rain
Tue 23 Jun
No Rain
Wed 24 Jun
No Rain
Thu 25 Jun
80%
Fri 26 Jun
75%
Sat 27 Jun
20%
Sun 28 Jun
5%

San Juan Island - Friday Harbor Rainfall Statistics

June Rainfall

Friday Harbor Airport (1.9 miles)

Total Rainfall 2026
9.4in
Daily Average 2026
0.1in
Wettest Day 12 January, 2026
0.8in
Wet Days 2026
61/173 (35%)
Total Rainfall May
0.5in
Daily Average May
0.02in
Wettest Day 25 May, 2026
0.2in
Wet Days May
5/31 (16%)
Total Rainfall June
0.8in
Daily Average June
0.04in
Wettest Day 8 June, 2026
0.4in
Wet Days June
4/22 (18%)

Climate (2021–2025)

Friday Harbor Airport (1.9 miles)

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Annual Average 2021–2025
20.6in
Monthly Average 2021–2026
1.8in
Daily Average 2021–2026
0.1in
Wettest Day 15 November, 2021
1.9in

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