S
M
T
W
T
F
S
26
83°
62°
27
82°
61°
28
83°
61°
29
81°
60°
30
81°
60°
31
82°
61°
1
80°
60°
2
81°
58°
3
74°
55°
4
77°
59°
5
81°
61°
6
80°
60°
7
81°
59°
8
73°
52°
9
75°
58°
10
81°
59°
11
78°
59°
12
80°
58°
13
72°
58°
14
72°
53°
15
73°
58°
16
74°
58°
17
77°
57°
18
78°
58°
19
77°
58°
20
80°
59°
21
71°
48°
22
72°
46°
23
69°
48°
24
72°
46°
25
68°
44°
26
67°
45°
27
68°
45°
28
68°
46°
29
70°
51°
30
76°
55°
31
78°
53°
1
70°
46°
2
71°
55°
3
78°
51°
4
72°
49°
5
71°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sundown
Sundown's August 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 44° and 62°. The average high for August is 76° 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 Sundown. See also: September | October | November.