S
M
T
W
T
F
S
28
92°
73°
29
93°
74°
30
95°
75°
1
93°
74°
2
98°
72°
3
97°
73°
4
93°
69°
5
91°
70°
6
88°
67°
7
84°
64°
8
83°
65°
9
83°
65°
10
85°
70°
11
87°
71°
12
90°
70°
13
88°
70°
14
88°
71°
15
85°
70°
16
86°
68°
17
86°
69°
18
87°
69°
19
88°
70°
20
91°
70°
21
85°
65°
22
84°
67°
23
85°
68°
24
87°
70°
25
90°
71°
26
87°
71°
27
87°
70°
28
85°
69°
29
85°
71°
30
90°
71°
31
89°
70°
1
88°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Murphysboro
Murphysboro's July 2026 forecast shows daily high temperatures ranging from 83° to 98°, with overnight lows between 64° and 75°. The average high for July is 88° with an average low of 70°. 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 Murphysboro. See also: August | September | October.