Monthly Historical AveragesCastroville, CA
Average Temperature
High
16°
Feels 16
Low
8°
Feels 7
Average Precipitation
4 Days
19.3mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, April 1, 2026
Day
18°Feels 18
Wind
18 km/h W
Gust
28 km/h
Humidity
61%
P.O.P
40%
Rain
<1 mm
Night
11°Feels 10
Wind
20 km/h W
Gust
29 km/h
Humidity
92%
P.O.P
90%
Rain
1-3 mm
Historical AveragesApr 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity