S
M
T
W
T
F
S
28
76°
50°
29
72°
49°
30
72°
53°
1
75°
56°
2
73°
56°
3
75°
55°
4
79°
51°
5
81°
50°
6
75°
52°
7
75°
56°
8
78°
51°
9
74°
53°
10
74°
56°
11
77°
53°
12
79°
50°
13
79°
54°
14
75°
52°
15
78°
53°
16
74°
60°
17
78°
55°
18
81°
53°
19
75°
57°
20
77°
53°
21
76°
57°
22
75°
62°
23
84°
59°
24
81°
56°
25
77°
53°
26
76°
59°
27
79°
63°
28
83°
55°
29
81°
63°
30
83°
62°
31
84°
57°
1
79°
53°
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 72° to 84°, with overnight lows between 49° and 63°. The average high for July is 77° 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.