S
M
T
W
T
F
S
26
55°
47°
27
66°
44°
28
60°
48°
29
61°
53°
30
68°
49°
1
62°
45°
2
60°
51°
3
62°
43°
4
72°
50°
5
83°
59°
6
71°
62°
7
62°
52°
8
71°
49°
9
71°
57°
10
75°
55°
11
64°
50°
12
64°
48°
13
73°
56°
14
62°
54°
15
70°
52°
16
78°
53°
17
85°
62°
18
89°
64°
19
90°
69°
20
89°
71°
21
72°
59°
22
60°
54°
23
57°
55°
24
68°
61°
25
73°
63°
26
72°
63°
27
73°
66°
28
80°
56°
29
74°
54°
30
71°
51°
31
72°
55°
1
75°
57°
2
78°
57°
3
77°
58°
4
79°
60°
5
80°
59°
6
75°
56°
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 57° to 80°, with overnight lows between 51° and 66°. The average high for May is 74° with an average low of 58°. 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.
