S
M
T
W
T
F
S
26
90°
55°
27
92°
57°
28
92°
56°
29
86°
56°
30
82°
54°
31
83°
54°
1
87°
56°
2
92°
57°
3
90°
46°
4
85°
48°
5
85°
52°
6
93°
56°
7
94°
55°
8
93°
48°
9
84°
46°
10
84°
48°
11
85°
50°
12
83°
51°
13
84°
51°
14
90°
46°
15
82°
48°
16
84°
50°
17
88°
49°
18
88°
53°
19
90°
47°
20
81°
48°
21
82°
49°
22
81°
41°
23
78°
41°
24
79°
42°
25
80°
44°
26
82°
47°
27
87°
51°
28
88°
47°
29
82°
50°
30
84°
51°
31
86°
52°
1
88°
50°
2
79°
50°
3
84°
49°
4
84°
47°
5
82°
44°
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 78° to 94°, with overnight lows between 41° and 57°. The average high for August is 86° with an average low of 50°. 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.
