S
M
T
W
T
F
S
26
84°
66°
27
84°
71°
28
81°
68°
29
72°
63°
30
69°
58°
1
65°
55°
2
72°
50°
3
77°
46°
4
78°
56°
5
76°
60°
6
75°
55°
7
71°
53°
8
74°
50°
9
81°
64°
10
85°
64°
11
76°
55°
12
81°
57°
13
85°
64°
14
86°
62°
15
85°
68°
16
90°
69°
17
91°
67°
18
91°
70°
19
90°
71°
20
87°
70°
21
91°
72°
22
85°
65°
23
83°
68°
24
84°
69°
25
87°
69°
26
88°
68°
27
88°
69°
28
87°
69°
29
88°
70°
30
88°
71°
31
87°
71°
1
86°
70°
2
89°
72°
3
88°
72°
4
84°
71°
5
85°
72°
6
87°
71°
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 76° to 91°, with overnight lows between 55° and 72°. The average high for May is 86° with an average low of 68°. 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.
