S
M
T
W
T
F
S
26
93°
72°
27
93°
71°
28
92°
70°
29
94°
71°
30
93°
71°
31
93°
70°
1
94°
72°
2
94°
71°
3
93°
71°
4
93°
70°
5
92°
70°
6
92°
69°
7
91°
68°
8
91°
69°
9
90°
67°
10
88°
70°
11
91°
69°
12
94°
66°
13
93°
67°
14
89°
68°
15
93°
65°
16
93°
59°
17
83°
58°
18
82°
56°
19
80°
56°
20
81°
57°
21
81°
57°
22
80°
58°
23
79°
59°
24
81°
61°
25
84°
63°
26
87°
56°
27
80°
55°
28
81°
56°
29
83°
63°
30
86°
63°
31
89°
55°
1
87°
54°
2
79°
60°
3
80°
63°
4
88°
58°
5
88°
52°
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 79° to 94°, with overnight lows between 52° and 72°. The average high for August is 88° with an average low of 64°. 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.
