S
M
T
W
T
F
S
28
65°
63°
29
67°
64°
30
68°
65°
1
66°
64°
2
67°
64°
3
67°
65°
4
68°
65°
5
68°
66°
6
68°
66°
7
68°
65°
8
67°
65°
9
74°
63°
10
76°
64°
11
75°
65°
12
69°
66°
13
70°
68°
14
77°
66°
15
78°
66°
16
78°
68°
17
76°
69°
18
75°
66°
19
75°
68°
20
74°
69°
21
76°
70°
22
77°
69°
23
79°
70°
24
80°
69°
25
78°
68°
26
78°
67°
27
75°
65°
28
76°
67°
29
76°
67°
30
74°
65°
31
74°
64°
1
75°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Cardiff-by-the-Sea
Cardiff-by-the-Sea's July 2026 forecast shows daily high temperatures ranging from 74° to 80°, with overnight lows between 64° and 70°. The average high for July is 76° with an average low of 67°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Cardiff-by-the-Sea. See also: August | September | October.
