S
M
T
W
T
F
S
26
95°
66°
27
88°
68°
28
82°
64°
29
90°
62°
30
87°
67°
31
73°
64°
1
83°
62°
2
82°
58°
3
85°
62°
4
75°
58°
5
79°
47°
6
83°
54°
7
76°
54°
8
81°
49°
9
79°
56°
10
81°
58°
11
85°
62°
12
85°
60°
13
78°
64°
14
83°
58°
15
79°
66°
16
78°
57°
17
82°
53°
18
78°
52°
19
78°
54°
20
81°
58°
21
79°
56°
22
78°
50°
23
77°
51°
24
80°
61°
25
83°
57°
26
79°
56°
27
80°
57°
28
83°
61°
29
82°
57°
30
80°
58°
31
80°
59°
1
76°
54°
2
69°
53°
3
70°
53°
4
79°
57°
5
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Harris
Harris's August 2026 forecast shows daily high temperatures ranging from 69° to 83°, with overnight lows between 50° and 61°. The average high for August is 78° with an average low of 56°. 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 Harris. See also: September | October | November.