S
M
T
W
T
F
S
26
64°
45°
27
64°
46°
28
75°
38°
29
79°
43°
30
84°
48°
1
86°
52°
2
88°
51°
3
75°
50°
4
65°
50°
5
66°
48°
6
84°
47°
7
92°
51°
8
91°
56°
9
94°
51°
10
98°
56°
11
99°
58°
12
97°
58°
13
83°
58°
14
87°
61°
15
87°
64°
16
85°
57°
17
83°
55°
18
87°
56°
19
89°
59°
20
90°
62°
21
86°
64°
22
87°
62°
23
88°
60°
24
85°
56°
25
82°
57°
26
90°
59°
27
79°
51°
28
80°
52°
29
80°
51°
30
83°
53°
31
88°
58°
1
89°
59°
2
90°
61°
3
91°
61°
4
89°
54°
5
83°
56°
6
85°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Roosevelt
Roosevelt's May 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 51° and 64°. The average high for May is 86° 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 Roosevelt. See also: June | July | August.