S
M
T
W
T
F
S
26
66°
53°
27
69°
50°
28
72°
43°
29
81°
56°
30
74°
55°
1
62°
52°
2
55°
47°
3
70°
44°
4
80°
50°
5
81°
50°
6
83°
59°
7
76°
54°
8
72°
50°
9
76°
53°
10
85°
61°
11
76°
52°
12
73°
45°
13
80°
48°
14
77°
55°
15
77°
49°
16
86°
49°
17
91°
59°
18
93°
68°
19
93°
65°
20
92°
66°
21
92°
67°
22
82°
65°
23
70°
64°
24
84°
63°
25
85°
71°
26
91°
71°
27
86°
72°
28
90°
66°
29
83°
65°
30
82°
56°
31
78°
59°
1
78°
61°
2
81°
59°
3
82°
60°
4
83°
62°
5
81°
66°
6
80°
64°
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 78° to 90°, with overnight lows between 56° and 72°. The average high for May is 82° 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 May weather will actually feel in Oakland. See also: June | July | August.
