S
M
T
W
T
F
S
26
89°
74°
27
92°
73°
28
92°
72°
29
93°
73°
30
94°
72°
31
92°
72°
1
92°
73°
2
93°
72°
3
92°
73°
4
91°
72°
5
90°
73°
6
90°
73°
7
91°
72°
8
91°
74°
9
92°
73°
10
92°
73°
11
93°
74°
12
92°
73°
13
91°
73°
14
91°
74°
15
92°
73°
16
92°
73°
17
91°
74°
18
91°
73°
19
92°
72°
20
90°
73°
21
92°
74°
22
92°
73°
23
91°
74°
24
90°
73°
25
91°
74°
26
90°
73°
27
90°
73°
28
91°
74°
29
90°
74°
30
90°
73°
31
89°
74°
1
90°
72°
2
89°
72°
3
89°
71°
4
90°
72°
5
90°
73°
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 89° to 94°, with overnight lows between 71° and 74°. The average high for August is 91° with an average low of 73°. 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.
