S
M
T
W
T
F
S
26
101°
70°
27
103°
70°
28
101°
68°
29
99°
71°
30
100°
72°
31
102°
69°
1
95°
69°
2
98°
70°
3
102°
70°
4
99°
73°
5
97°
69°
6
97°
71°
7
99°
71°
8
98°
73°
9
97°
68°
10
97°
70°
11
99°
71°
12
103°
75°
13
103°
72°
14
100°
71°
15
99°
70°
16
96°
69°
17
97°
69°
18
98°
69°
19
102°
70°
20
99°
70°
21
100°
69°
22
101°
70°
23
102°
69°
24
102°
67°
25
100°
69°
26
101°
68°
27
98°
67°
28
96°
68°
29
95°
67°
30
97°
69°
31
88°
62°
1
91°
67°
2
91°
66°
3
83°
64°
4
83°
62°
5
85°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Plains
Plains's August 2026 forecast shows daily high temperatures ranging from 83° to 102°, with overnight lows between 62° and 70°. The average high for August is 95° 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 Plains. See also: September | October | November.
