S
M
T
W
T
F
S
26
66°
53°
27
69°
50°
28
72°
43°
29
81°
56°
30
74°
55°
1
68°
54°
2
58°
43°
3
72°
49°
4
79°
54°
5
83°
58°
6
83°
64°
7
77°
50°
8
73°
47°
9
77°
56°
10
79°
57°
11
80°
59°
12
82°
59°
13
77°
60°
14
81°
55°
15
83°
62°
16
82°
62°
17
81°
61°
18
81°
63°
19
82°
63°
20
84°
62°
21
85°
64°
22
85°
64°
23
86°
65°
24
85°
65°
25
85°
64°
26
84°
65°
27
86°
65°
28
84°
66°
29
81°
66°
30
83°
65°
31
86°
66°
1
86°
66°
2
87°
67°
3
87°
66°
4
80°
64°
5
80°
62°
6
81°
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 58° to 87°, with overnight lows between 43° and 67°. The average high for May is 81° with an average low of 61°. 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.
