S
M
T
W
T
F
S
26
82°
61°
27
82°
62°
28
83°
62°
29
82°
60°
30
78°
59°
31
76°
55°
1
76°
60°
2
82°
62°
3
84°
62°
4
85°
61°
5
84°
60°
6
83°
61°
7
83°
59°
8
83°
54°
9
82°
50°
10
75°
53°
11
76°
52°
12
75°
51°
13
76°
51°
14
76°
52°
15
75°
58°
16
78°
57°
17
77°
54°
18
75°
51°
19
77°
51°
20
80°
53°
21
79°
57°
22
79°
57°
23
81°
56°
24
81°
53°
25
80°
55°
26
74°
58°
27
79°
53°
28
79°
50°
29
73°
51°
30
74°
49°
31
73°
48°
1
74°
49°
2
72°
47°
3
72°
47°
4
74°
53°
5
76°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Harrietta
Harrietta's August 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 47° and 62°. The average high for August is 78° with an average low of 55°. 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 Harrietta. See also: September | October | November.
