S
M
T
W
T
F
S
26
93°
70°
27
88°
64°
28
90°
68°
29
90°
68°
30
84°
70°
31
79°
64°
1
84°
59°
2
84°
63°
3
84°
59°
4
73°
52°
5
81°
52°
6
84°
59°
7
77°
57°
8
84°
52°
9
81°
61°
10
81°
61°
11
85°
61°
12
80°
62°
13
79°
60°
14
77°
65°
15
74°
59°
16
79°
60°
17
77°
63°
18
79°
64°
19
79°
65°
20
82°
63°
21
80°
62°
22
78°
61°
23
77°
58°
24
77°
64°
25
78°
64°
26
81°
63°
27
81°
63°
28
77°
62°
29
73°
59°
30
70°
58°
31
70°
61°
1
71°
61°
2
72°
60°
3
76°
62°
4
76°
61°
5
74°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Underwood
Underwood's August 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 58° and 65°. The average high for August is 77° with an average low of 62°. 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 Underwood. See also: September | October | November.