S
M
T
W
T
F
S
31
67°
52°
1
68°
52°
2
70°
55°
3
70°
56°
4
69°
55°
5
68°
53°
6
67°
54°
7
67°
53°
8
68°
54°
9
71°
56°
10
70°
54°
11
73°
57°
12
72°
57°
13
67°
56°
14
66°
54°
15
66°
54°
16
67°
53°
17
68°
54°
18
73°
57°
19
74°
57°
20
73°
56°
21
73°
57°
22
71°
56°
23
67°
54°
24
67°
56°
25
68°
55°
26
71°
55°
27
73°
56°
28
75°
57°
29
74°
57°
30
74°
56°
1
73°
57°
2
70°
57°
3
68°
54°
4
68°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in South San Francisco
South San Francisco's June 2026 forecast shows daily high temperatures ranging from 66° to 75°, with overnight lows between 52° and 57°. The average high for June is 70° 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 South San Francisco. See also: July | August | September.
