S
M
T
W
T
F
S
26
75°
50°
27
78°
54°
28
81°
56°
29
82°
57°
30
82°
56°
1
84°
58°
2
85°
57°
3
84°
58°
4
79°
53°
5
76°
52°
6
79°
56°
7
83°
56°
8
81°
55°
9
81°
56°
10
84°
56°
11
87°
59°
12
89°
61°
13
89°
62°
14
88°
62°
15
89°
61°
16
88°
61°
17
86°
62°
18
86°
58°
19
85°
56°
20
84°
55°
21
83°
54°
22
82°
55°
23
85°
56°
24
85°
55°
25
84°
54°
26
84°
54°
27
85°
55°
28
84°
57°
29
87°
58°
30
92°
60°
31
93°
59°
1
94°
59°
2
92°
60°
3
92°
62°
4
93°
59°
5
89°
60°
6
91°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Oatman
Oatman's May 2026 forecast shows daily high temperatures ranging from 75° to 94°, with overnight lows between 50° and 63°. The average high for May is 85° with an average low of 57°. 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 Oatman. See also: June | July | August.