S
M
T
W
T
F
S
26
79°
56°
27
75°
52°
28
78°
57°
29
72°
57°
30
78°
56°
1
77°
57°
2
80°
59°
3
81°
60°
4
79°
58°
5
79°
51°
6
71°
50°
7
72°
52°
8
74°
55°
9
79°
54°
10
74°
53°
11
74°
53°
12
77°
58°
13
82°
61°
14
83°
62°
15
83°
62°
16
82°
61°
17
84°
63°
18
85°
63°
19
84°
64°
20
84°
64°
21
82°
63°
22
77°
61°
23
78°
58°
24
79°
61°
25
84°
64°
26
82°
60°
27
80°
59°
28
82°
65°
29
86°
66°
30
85°
63°
31
86°
64°
1
86°
60°
2
85°
61°
3
82°
60°
4
81°
61°
5
81°
61°
6
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rex
Rex's May 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 50° and 66°. The average high for May is 80° with an average low of 59°. 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 Rex. See also: June | July | August.
