S
M
T
W
T
F
S
26
84°
66°
27
85°
62°
28
85°
62°
29
87°
63°
30
88°
64°
31
89°
66°
1
90°
62°
2
89°
62°
3
89°
66°
4
85°
61°
5
85°
62°
6
86°
61°
7
84°
61°
8
84°
62°
9
83°
65°
10
84°
66°
11
84°
66°
12
85°
63°
13
88°
66°
14
89°
62°
15
88°
65°
16
86°
62°
17
83°
65°
18
88°
62°
19
84°
60°
20
83°
61°
21
84°
64°
22
82°
64°
23
83°
63°
24
87°
65°
25
84°
64°
26
84°
64°
27
85°
63°
28
85°
64°
29
81°
64°
30
83°
58°
31
85°
57°
1
81°
57°
2
82°
61°
3
80°
62°
4
81°
61°
5
84°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Harmony
Harmony's August 2026 forecast shows daily high temperatures ranging from 80° to 90°, with overnight lows between 57° and 66°. The average high for August is 85° with an average low of 63°. 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 Harmony. See also: September | October | November.