S
M
T
W
T
F
S
28
84°
65°
29
89°
62°
30
87°
65°
1
94°
69°
2
98°
73°
3
97°
69°
4
93°
69°
5
82°
70°
6
71°
66°
7
71°
63°
8
85°
62°
9
84°
65°
10
84°
64°
11
83°
60°
12
87°
60°
13
87°
64°
14
96°
69°
15
95°
64°
16
89°
64°
17
87°
59°
18
86°
61°
19
82°
62°
20
85°
63°
21
82°
62°
22
82°
62°
23
81°
61°
24
86°
63°
25
84°
61°
26
82°
63°
27
86°
64°
28
84°
64°
29
86°
63°
30
84°
64°
31
79°
63°
1
81°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Johnsonburg
Johnsonburg's July 2026 forecast shows daily high temperatures ranging from 79° to 96°, with overnight lows between 59° and 69°. The average high for July is 85° with an average low of 63°. 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 Johnsonburg. See also: August | September | October.