S
M
T
W
T
F
S
26
53°
37°
27
62°
40°
28
56°
35°
29
60°
33°
30
55°
35°
1
68°
30°
2
73°
31°
3
82°
38°
4
85°
35°
5
52°
38°
6
50°
35°
7
77°
35°
8
76°
44°
9
85°
42°
10
69°
48°
11
85°
42°
12
82°
49°
13
83°
43°
14
90°
56°
15
92°
54°
16
89°
58°
17
75°
52°
18
51°
42°
19
65°
37°
20
65°
45°
21
60°
46°
22
71°
48°
23
75°
47°
24
92°
52°
25
93°
54°
26
87°
56°
27
78°
54°
28
69°
59°
29
85°
59°
30
93°
59°
31
86°
57°
1
89°
59°
2
81°
58°
3
88°
62°
4
83°
60°
5
93°
56°
6
91°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Oakley
Oakley's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Oakley. See also: June | July | August.