S
M
T
W
T
F
S
28
84°
66°
29
88°
68°
30
90°
68°
1
90°
70°
2
93°
68°
3
88°
66°
4
87°
68°
5
88°
68°
6
86°
69°
7
86°
66°
8
86°
64°
9
89°
67°
10
86°
66°
11
79°
65°
12
80°
64°
13
82°
63°
14
87°
63°
15
85°
62°
16
86°
64°
17
84°
64°
18
86°
63°
19
87°
65°
20
89°
66°
21
88°
65°
22
88°
65°
23
87°
64°
24
86°
64°
25
81°
63°
26
82°
62°
27
83°
63°
28
82°
64°
29
82°
63°
30
83°
65°
31
84°
64°
1
83°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Johnsonville
Johnsonville's July 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 62° and 69°. The average high for July is 85° 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 July weather will actually feel in Johnsonville. See also: August | September | October.