Monthly Historical AveragesFriday Harbor, WA
Average Temperature
High
18°
Feels 18
Low
9°
Feels 8
Average Precipitation
6 Days
24.5mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastFriday, June 19, 2026
Day
23°Feels 23
Wind
21 km/h N
Gust
32 km/h
Humidity
46%
P.O.P
10%
Night
12°Feels 11
Wind
13 km/h SW
Gust
20 km/h
Humidity
82%
P.O.P
0%
Historical AveragesJun 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity