Monthly Historical AveragesCastella, CA
Average Temperature
High
18°
Feels 17
Low
4°
Feels 2
Average Precipitation
7 Days
30mm
2.6cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, April 11, 2026
Day
10°Feels 8
Wind
16 km/h S
Gust
24 km/h
Humidity
82%
P.O.P
90%
Rain
25-35 mm
Night
3°Feels 2
Wind
6 km/h S
Gust
9 km/h
Humidity
100%
P.O.P
90%
Rain
15-20 mm
Historical AveragesApr 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity