S
M
T
W
T
F
S
26
81°
63°
27
84°
67°
28
84°
67°
29
80°
66°
30
85°
63°
31
79°
60°
1
79°
60°
2
80°
61°
3
79°
64°
4
82°
66°
5
84°
66°
6
80°
64°
7
83°
65°
8
85°
66°
9
84°
65°
10
85°
59°
11
81°
58°
12
82°
61°
13
79°
59°
14
82°
58°
15
79°
60°
16
79°
63°
17
77°
63°
18
78°
59°
19
78°
58°
20
79°
58°
21
80°
59°
22
82°
64°
23
81°
63°
24
83°
63°
25
83°
56°
26
82°
55°
27
77°
55°
28
76°
57°
29
75°
60°
30
76°
61°
31
75°
62°
1
81°
59°
2
76°
58°
3
78°
56°
4
76°
55°
5
74°
55°
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 74° to 85°, with overnight lows between 55° and 67°. The average high for August is 80° with an average low of 61°. 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.