S
M
T
W
T
F
S
28
54°
48°
29
56°
47°
30
73°
53°
1
77°
50°
2
81°
52°
3
80°
52°
4
85°
56°
5
87°
50°
6
87°
54°
7
86°
57°
8
87°
58°
9
86°
58°
10
86°
57°
11
84°
55°
12
88°
56°
13
87°
50°
14
91°
57°
15
88°
57°
16
87°
56°
17
83°
56°
18
85°
55°
19
90°
56°
20
92°
56°
21
92°
55°
22
91°
56°
23
87°
56°
24
84°
55°
25
87°
53°
26
82°
50°
27
89°
55°
28
93°
56°
29
93°
56°
30
92°
57°
31
93°
57°
1
93°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Plains
Plains's July 2026 forecast shows daily high temperatures ranging from 73° to 93°, with overnight lows between 50° and 58°. The average high for July is 87° 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 July weather will actually feel in Plains. See also: August | September | October.