S
M
T
W
T
F
S
26
84°
53°
27
85°
59°
28
81°
61°
29
71°
61°
30
73°
59°
31
79°
57°
1
80°
61°
2
81°
60°
3
83°
59°
4
80°
59°
5
83°
60°
6
83°
59°
7
79°
61°
8
81°
54°
9
80°
58°
10
79°
58°
11
79°
59°
12
80°
59°
13
80°
58°
14
79°
58°
15
76°
57°
16
77°
57°
17
79°
58°
18
79°
57°
19
75°
57°
20
76°
55°
21
74°
55°
22
76°
57°
23
78°
52°
24
77°
48°
25
70°
49°
26
71°
55°
27
74°
56°
28
78°
56°
29
78°
55°
30
73°
48°
31
70°
48°
1
69°
49°
2
68°
47°
3
68°
45°
4
69°
46°
5
73°
54°
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 68° to 85°, with overnight lows between 45° and 61°. The average high for August is 77° with an average low of 56°. 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.
