S
M
T
W
T
F
S
26
86°
61°
27
82°
70°
28
79°
64°
29
70°
61°
30
66°
52°
1
66°
48°
2
72°
45°
3
75°
45°
4
81°
55°
5
70°
59°
6
72°
52°
7
70°
48°
8
77°
48°
9
82°
55°
10
82°
61°
11
75°
52°
12
81°
48°
13
84°
55°
14
79°
52°
15
84°
57°
16
84°
70°
17
88°
64°
18
90°
73°
19
90°
70°
20
79°
66°
21
75°
63°
22
82°
66°
23
82°
66°
24
79°
66°
25
77°
66°
26
84°
70°
27
87°
70°
28
82°
68°
29
79°
67°
30
82°
67°
31
81°
67°
1
81°
61°
2
80°
60°
3
79°
64°
4
77°
65°
5
80°
63°
6
82°
65°
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 77° to 87°, with overnight lows between 60° and 70°. The average high for May is 81° with an average low of 65°. 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.
