Monthly Historical AveragesShelter Island, CA
Average Temperature
High
18°
Feels 18
Low
13°
Feels 13
Average Precipitation
2 Days
7.8mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, April 1, 2026
Day
21°Feels 21
Wind
21 km/h W
Gust
31 km/h
Humidity
60%
P.O.P
40%
Rain
<1 mm
Night
14°Feels 14
Wind
15 km/h NW
Gust
22 km/h
Humidity
82%
P.O.P
30%
Historical AveragesApr 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity