S
M
T
W
T
F
S
28
87°
82°
29
88°
82°
30
88°
81°
1
89°
82°
2
89°
82°
3
90°
81°
4
89°
80°
5
87°
82°
6
86°
82°
7
87°
81°
8
86°
82°
9
87°
81°
10
88°
79°
11
88°
80°
12
89°
80°
13
89°
79°
14
88°
80°
15
89°
80°
16
88°
79°
17
88°
80°
18
87°
80°
19
88°
79°
20
87°
80°
21
88°
79°
22
89°
80°
23
88°
79°
24
89°
80°
25
88°
79°
26
89°
80°
27
88°
80°
28
88°
79°
29
89°
80°
30
88°
80°
31
88°
79°
1
89°
79°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in San Francisco
San Francisco's July 2026 forecast shows daily high temperatures ranging from 86° to 90°, with overnight lows between 79° and 82°. The average high for July is 88° with an average low of 80°. 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 Francisco. See also: August | September | October.
