Monthly Historical AveragesBrentwood, CA
Average Temperature
High
33°
Feels 33
Low
16°
Feels 16
Average Precipitation
2 Days
2.2mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, August 9, 2026
Day
40°Feels 40
Wind
14 km/h W
Gust
22 km/h
Humidity
14%
P.O.P
0%
Night
19°Feels 19
Wind
15 km/h W
Gust
22 km/h
Humidity
59%
P.O.P
10%
Historical AveragesAug 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity