S
M
T
W
T
F
S
31
91°
57°
1
90°
60°
2
88°
57°
3
90°
56°
4
93°
60°
5
93°
59°
6
87°
59°
7
85°
57°
8
86°
59°
9
86°
59°
10
92°
63°
11
92°
59°
12
96°
63°
13
97°
62°
14
95°
64°
15
94°
63°
16
91°
60°
17
88°
61°
18
90°
60°
19
98°
56°
20
91°
58°
21
90°
60°
22
92°
62°
23
93°
62°
24
93°
63°
25
94°
63°
26
93°
62°
27
94°
63°
28
93°
59°
29
90°
57°
30
87°
57°
1
89°
60°
2
93°
63°
3
95°
64°
4
94°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in San Bernardino
San Bernardino's June 2026 forecast shows daily high temperatures ranging from 85° to 98°, with overnight lows between 56° and 65°. The average high for June is 92° with an average low of 61°. 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 Bernardino. See also: July | August | September.
