S
M
T
W
T
F
S
28
77°
61°
29
81°
61°
30
79°
62°
1
79°
62°
2
86°
59°
3
93°
58°
4
95°
63°
5
91°
67°
6
95°
65°
7
99°
64°
8
102°
64°
9
99°
66°
10
95°
64°
11
99°
64°
12
91°
68°
13
93°
72°
14
102°
70°
15
104°
73°
16
102°
73°
17
95°
70°
18
99°
70°
19
99°
69°
20
93°
73°
21
95°
73°
22
97°
71°
23
104°
72°
24
104°
76°
25
104°
71°
26
105°
71°
27
101°
70°
28
101°
68°
29
101°
68°
30
102°
67°
31
101°
71°
1
107°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in San Bernardino
San Bernardino's July 2026 forecast shows daily high temperatures ranging from 101° to 107°, with overnight lows between 67° and 72°. The average high for July is 103° with an average low of 70°. 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 Bernardino. See also: August | September | October.
