S
M
T
W
T
F
S
28
64°
50°
29
63°
52°
30
62°
55°
1
64°
55°
2
63°
54°
3
62°
55°
4
62°
54°
5
62°
54°
6
61°
54°
7
61°
52°
8
64°
56°
9
60°
52°
10
61°
53°
11
62°
52°
12
66°
53°
13
66°
53°
14
65°
54°
15
67°
53°
16
65°
52°
17
67°
53°
18
63°
53°
19
65°
54°
20
67°
55°
21
68°
57°
22
69°
57°
23
68°
56°
24
68°
57°
25
67°
56°
26
68°
56°
27
67°
55°
28
66°
55°
29
66°
56°
30
67°
56°
31
67°
57°
1
66°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Half Moon Bay
Half Moon Bay's July 2026 forecast shows daily high temperatures ranging from 60° to 69°, with overnight lows between 52° and 57°. The average high for July is 65° with an average low of 55°. 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 Half Moon Bay. See also: August | September | October.