S
M
T
W
T
F
S
26
87°
73°
27
89°
72°
28
89°
74°
29
88°
74°
30
90°
73°
31
88°
72°
1
84°
70°
2
84°
69°
3
85°
72°
4
89°
74°
5
90°
73°
6
91°
73°
7
87°
71°
8
89°
71°
9
89°
69°
10
88°
64°
11
84°
65°
12
85°
66°
13
83°
65°
14
88°
66°
15
83°
67°
16
83°
70°
17
84°
69°
18
87°
67°
19
83°
66°
20
82°
66°
21
82°
69°
22
83°
69°
23
85°
68°
24
87°
69°
25
87°
63°
26
86°
62°
27
81°
64°
28
81°
65°
29
82°
68°
30
81°
67°
31
83°
68°
1
86°
63°
2
81°
62°
3
80°
63°
4
80°
61°
5
79°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Harbeson
Harbeson's August 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 61° and 74°. The average high for August is 85° with an average low of 68°. 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 Harbeson. See also: September | October | November.