Monthly Historical AveragesBethel Island, CA
Average Temperature
High
14°
Feels 13
Low
4°
Feels 2
Average Precipitation
7 Days
59mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, January 4, 2026
Day
13°Feels 12
Wind
14 km/h SE
Gust
21 km/h
Humidity
87%
P.O.P
90%
Rain
~10 mm
Night
8°Feels 6
Wind
18 km/h SE
Gust
27 km/h
Humidity
96%
P.O.P
60%
Rain
2-4 mm
Historical AveragesJan 4
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity