S
M
T
W
T
F
S
28
94°
76°
29
91°
75°
30
94°
75°
1
90°
73°
2
91°
73°
3
94°
72°
4
94°
69°
5
87°
66°
6
87°
67°
7
86°
68°
8
88°
67°
9
90°
66°
10
87°
65°
11
88°
68°
12
90°
65°
13
91°
69°
14
88°
68°
15
83°
65°
16
85°
65°
17
90°
68°
18
91°
69°
19
92°
70°
20
92°
70°
21
93°
71°
22
93°
72°
23
92°
72°
24
93°
71°
25
92°
71°
26
93°
72°
27
93°
71°
28
92°
70°
29
94°
71°
30
93°
71°
31
93°
70°
1
94°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Johnson
Johnson's July 2026 forecast shows daily high temperatures ranging from 83° to 94°, with overnight lows between 65° and 75°. The average high for July is 91° 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 Johnson. See also: August | September | October.