S
M
T
W
T
F
S
28
81°
59°
29
81°
58°
30
83°
57°
1
83°
57°
2
88°
58°
3
90°
59°
4
95°
63°
5
95°
65°
6
96°
64°
7
100°
65°
8
98°
64°
9
96°
65°
10
105°
64°
11
94°
66°
12
94°
66°
13
96°
66°
14
96°
65°
15
92°
64°
16
92°
64°
17
94°
65°
18
95°
63°
19
95°
62°
20
96°
61°
21
92°
61°
22
91°
62°
23
91°
61°
24
92°
61°
25
92°
62°
26
91°
61°
27
92°
62°
28
93°
63°
29
93°
63°
30
94°
64°
31
96°
66°
1
98°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
School-Day-April Weather in San Bernardino
San Bernardino's School-Day-April 2026 forecast shows daily high temperatures ranging from 81° to 105°, with overnight lows between 57° and 68°. The average high for School-Day-April is 93° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how School-Day-April weather will actually feel in San Bernardino. See also: August | September | October.
