Monthly Historical AveragesPlacentia, CA
Average Temperature
High
21°
Feels 20
Low
8°
Feels 7
Average Precipitation
4 Days
32.4mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, January 1, 2026
Day
18°Feels 18
Wind
12 km/h SW
Gust
18 km/h
Humidity
79%
P.O.P
100%
Rain
~15 mm
Night
13°Feels 12
Wind
10 km/h E
Gust
16 km/h
Humidity
91%
P.O.P
20%
Historical AveragesJan 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity