S
M
T
W
T
F
S
26
84°
66°
27
84°
71°
28
81°
68°
29
72°
63°
30
70°
57°
1
65°
53°
2
70°
47°
3
76°
55°
4
79°
60°
5
83°
68°
6
78°
55°
7
74°
53°
8
76°
57°
9
76°
62°
10
79°
63°
11
83°
63°
12
83°
62°
13
84°
63°
14
85°
67°
15
85°
68°
16
86°
68°
17
86°
67°
18
85°
68°
19
87°
68°
20
87°
69°
21
86°
69°
22
87°
68°
23
81°
69°
24
86°
69°
25
84°
68°
26
82°
69°
27
82°
63°
28
83°
64°
29
87°
69°
30
88°
68°
31
87°
69°
1
87°
69°
2
89°
70°
3
90°
71°
4
90°
71°
5
85°
66°
6
84°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rexburg
Rexburg's May 2026 forecast shows daily high temperatures ranging from 65° to 90°, with overnight lows between 47° and 71°. The average high for May is 83° with an average low of 65°. 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 Rexburg. See also: June | July | August.
