S
M
T
W
T
F
S
26
79°
48°
27
82°
50°
28
79°
61°
29
72°
54°
30
63°
43°
1
66°
39°
2
63°
37°
3
64°
37°
4
79°
39°
5
77°
48°
6
70°
54°
7
66°
39°
8
73°
34°
9
75°
45°
10
82°
43°
11
72°
41°
12
77°
37°
13
79°
48°
14
68°
39°
15
79°
36°
16
82°
55°
17
90°
50°
18
88°
64°
19
86°
64°
20
86°
61°
21
79°
66°
22
75°
66°
23
82°
66°
24
73°
66°
25
81°
66°
26
82°
70°
27
83°
66°
28
83°
60°
29
83°
64°
30
76°
62°
31
81°
62°
1
81°
55°
2
80°
55°
3
79°
58°
4
76°
59°
5
77°
60°
6
80°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Oakland
Oakland's May 2026 forecast shows daily high temperatures ranging from 76° to 83°, with overnight lows between 55° and 66°. The average high for May is 80° with an average low of 60°. 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 Oakland. See also: June | July | August.
