S
M
T
W
T
F
S
31
66°
50°
1
65°
49°
2
66°
51°
3
65°
52°
4
66°
54°
5
71°
54°
6
72°
54°
7
70°
54°
8
71°
53°
9
69°
55°
10
70°
54°
11
68°
57°
12
69°
59°
13
74°
58°
14
76°
57°
15
76°
57°
16
75°
56°
17
76°
58°
18
76°
57°
19
75°
59°
20
77°
58°
21
76°
58°
22
76°
57°
23
75°
57°
24
75°
54°
25
73°
52°
26
69°
52°
27
70°
53°
28
69°
51°
29
68°
52°
30
69°
53°
1
69°
54°
2
71°
56°
3
75°
57°
4
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in San Bruno
San Bruno's June 2026 forecast shows daily high temperatures ranging from 65° to 77°, with overnight lows between 49° and 59°. The average high for June is 72° 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 June weather will actually feel in San Bruno. See also: July | August | September.
