S
M
T
W
T
F
S
26
99°
77°
27
97°
78°
28
93°
73°
29
87°
74°
30
84°
69°
31
79°
66°
1
83°
63°
2
84°
64°
3
86°
63°
4
81°
64°
5
71°
63°
6
81°
65°
7
87°
66°
8
83°
66°
9
90°
74°
10
91°
73°
11
94°
73°
12
91°
73°
13
91°
73°
14
90°
73°
15
89°
71°
16
83°
64°
17
83°
67°
18
89°
67°
19
83°
63°
20
82°
62°
21
84°
65°
22
88°
64°
23
88°
65°
24
89°
66°
25
88°
64°
26
87°
62°
27
85°
60°
28
82°
64°
29
88°
65°
30
89°
65°
31
90°
66°
1
90°
65°
2
89°
65°
3
90°
64°
4
90°
65°
5
89°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Johnson
Johnson's August 2026 forecast shows daily high temperatures ranging from 82° to 90°, with overnight lows between 60° and 73°. The average high for August is 87° 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 August weather will actually feel in Johnson. See also: September | October | November.
