The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Castaic, CA
Content continues below
August
Average Temperature
High
35°
Feels 35
Low
17°
Feels 17
Average Precipitation
1 Days
Rain amount
1.1mm
Snow amount
0cm
Content continues below
Daily Historical Averages
August 2026
S
M
T
W
T
F
S
1
2
3
4
36°
5
36°
6
38°
7
39°
8
40°
9
40°
10
36°
11
34°
12
32°
13
31°
14
31°
15
31°
16
34°
17
35°
18
36°
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Tuesday, August 4, 2026
Day
36°
Feels 36
Wind
17 km/h SW
Gust
25 km/h
Humidity
21%
P.O.P
0%
Night
20°
Feels 20
Wind
14 km/h SW
Gust
20 km/h
Humidity
61%
P.O.P
0%
Historical Averages
Aug 4
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.