S
M
T
W
T
F
S
26
97°
73°
27
96°
73°
28
97°
72°
29
97°
73°
30
96°
73°
31
98°
74°
1
97°
73°
2
97°
73°
3
96°
72°
4
97°
73°
5
98°
74°
6
97°
72°
7
93°
68°
8
93°
68°
9
97°
69°
10
98°
70°
11
96°
71°
12
97°
70°
13
98°
72°
14
98°
71°
15
97°
71°
16
98°
70°
17
98°
71°
18
97°
65°
19
96°
67°
20
92°
66°
21
92°
71°
22
96°
71°
23
97°
68°
24
96°
71°
25
95°
71°
26
96°
69°
27
96°
69°
28
95°
63°
29
95°
62°
30
89°
63°
31
91°
64°
1
90°
66°
2
94°
66°
3
92°
65°
4
90°
68°
5
92°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Carlsbad
Carlsbad's August 2026 forecast shows daily high temperatures ranging from 89° to 98°, with overnight lows between 62° and 74°. The average high for August is 95° with an average low of 69°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Carlsbad. See also: September | October | November.
