S
M
T
W
T
F
S
26
84°
68°
27
86°
68°
28
88°
67°
29
87°
68°
30
88°
68°
31
87°
67°
1
88°
67°
2
87°
68°
3
88°
69°
4
90°
68°
5
88°
68°
6
85°
67°
7
87°
68°
8
88°
64°
9
81°
62°
10
81°
61°
11
82°
63°
12
81°
67°
13
82°
67°
14
84°
68°
15
87°
68°
16
84°
67°
17
87°
59°
18
82°
60°
19
84°
66°
20
88°
65°
21
87°
66°
22
86°
65°
23
88°
66°
24
86°
65°
25
83°
64°
26
79°
62°
27
79°
60°
28
80°
60°
29
79°
61°
30
80°
61°
31
83°
64°
1
85°
64°
2
85°
63°
3
86°
59°
4
84°
55°
5
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in The Plains
The Plains's August 2026 forecast shows daily high temperatures ranging from 78° to 90°, with overnight lows between 55° and 69°. The average high for August is 85° with an average low of 65°. 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 The Plains. See also: September | October | November.