S
M
T
W
T
F
S
28
73°
55°
29
73°
57°
30
71°
56°
1
70°
55°
2
70°
55°
3
71°
54°
4
72°
56°
5
73°
55°
6
76°
57°
7
72°
56°
8
73°
55°
9
72°
55°
10
72°
54°
11
74°
55°
12
70°
55°
13
73°
56°
14
71°
57°
15
71°
55°
16
74°
55°
17
71°
54°
18
72°
56°
19
75°
59°
20
76°
59°
21
75°
58°
22
75°
59°
23
72°
56°
24
69°
57°
25
71°
56°
26
69°
56°
27
69°
57°
28
70°
55°
29
68°
55°
30
71°
54°
31
70°
56°
1
71°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in San Bruno
San Bruno's July 2026 forecast shows daily high temperatures ranging from 68° to 76°, with overnight lows between 54° and 59°. The average high for July is 72° with an average low of 56°. 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 San Bruno. See also: August | September | October.
