S
M
T
W
T
F
S
28
82°
55°
29
80°
49°
30
84°
56°
1
83°
55°
2
82°
55°
3
84°
56°
4
85°
56°
5
86°
57°
6
77°
55°
7
75°
55°
8
76°
54°
9
78°
54°
10
77°
51°
11
82°
54°
12
87°
56°
13
88°
57°
14
89°
58°
15
88°
58°
16
88°
57°
17
87°
57°
18
89°
58°
19
89°
59°
20
88°
59°
21
89°
58°
22
85°
58°
23
85°
57°
24
89°
59°
25
89°
57°
26
87°
58°
27
90°
56°
28
90°
54°
29
89°
56°
30
88°
53°
31
90°
55°
1
89°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Rexburg
Rexburg's July 2026 forecast shows daily high temperatures ranging from 75° to 90°, with overnight lows between 49° and 59°. The average high for July is 85° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Rexburg. See also: August | September | October.