S
M
T
W
T
F
S
26
84°
74°
27
87°
75°
28
88°
75°
29
86°
67°
30
80°
65°
1
67°
55°
2
74°
51°
3
79°
53°
4
82°
58°
5
83°
67°
6
86°
65°
7
77°
63°
8
77°
65°
9
90°
73°
10
90°
67°
11
82°
66°
12
84°
64°
13
88°
61°
14
89°
63°
15
87°
68°
16
89°
68°
17
87°
77°
18
90°
77°
19
91°
66°
20
82°
66°
21
82°
70°
22
88°
69°
23
78°
67°
24
86°
66°
25
90°
68°
26
89°
71°
27
78°
70°
28
87°
70°
29
89°
72°
30
92°
73°
31
87°
71°
1
88°
68°
2
83°
69°
3
86°
69°
4
87°
69°
5
89°
71°
6
88°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bernardo
Bernardo's May 2026 forecast shows daily high temperatures ranging from 78° to 92°, with overnight lows between 68° and 73°. The average high for May is 87° 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 May weather will actually feel in Bernardo. See also: June | July | August.
