S
M
T
W
T
F
S
26
99°
76°
27
99°
75°
28
97°
74°
29
94°
77°
30
90°
72°
31
96°
75°
1
79°
70°
2
87°
67°
3
90°
64°
4
93°
65°
5
97°
68°
6
92°
71°
7
95°
66°
8
91°
69°
9
95°
70°
10
97°
72°
11
98°
71°
12
100°
87°
13
100°
77°
14
101°
73°
15
99°
76°
16
101°
73°
17
89°
72°
18
94°
76°
19
98°
74°
20
88°
67°
21
87°
66°
22
89°
64°
23
88°
65°
24
92°
66°
25
96°
70°
26
95°
68°
27
93°
69°
28
88°
65°
29
90°
67°
30
90°
68°
31
81°
68°
1
81°
68°
2
82°
65°
3
81°
59°
4
79°
58°
5
79°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Harriet
Harriet's August 2026 forecast shows daily high temperatures ranging from 79° to 101°, with overnight lows between 58° and 76°. The average high for August is 89° with an average low of 67°. 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 Harriet. See also: September | October | November.
