S
M
T
W
T
F
S
26
81°
60°
27
85°
63°
28
84°
65°
29
80°
58°
30
85°
54°
31
92°
60°
1
80°
68°
2
79°
66°
3
80°
56°
4
86°
51°
5
90°
60°
6
86°
64°
7
85°
68°
8
88°
67°
9
88°
60°
10
85°
68°
11
78°
66°
12
84°
65°
13
81°
68°
14
79°
59°
15
80°
65°
16
83°
66°
17
79°
57°
18
78°
58°
19
81°
59°
20
79°
60°
21
80°
61°
22
78°
60°
23
76°
59°
24
80°
57°
25
77°
60°
26
82°
62°
27
82°
63°
28
84°
62°
29
77°
58°
30
76°
57°
31
75°
58°
1
76°
61°
2
78°
61°
3
83°
62°
4
82°
61°
5
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Harpster
Harpster's August 2026 forecast shows daily high temperatures ranging from 75° to 84°, with overnight lows between 57° and 68°. 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 Harpster. See also: September | October | November.