S
M
T
W
T
F
S
28
75°
55°
29
76°
55°
30
74°
56°
1
76°
54°
2
77°
57°
3
78°
60°
4
79°
58°
5
78°
57°
6
80°
61°
7
84°
63°
8
85°
63°
9
86°
62°
10
85°
63°
11
81°
63°
12
86°
62°
13
81°
58°
14
79°
57°
15
84°
63°
16
83°
63°
17
85°
62°
18
82°
58°
19
82°
63°
20
81°
63°
21
78°
62°
22
79°
63°
23
79°
61°
24
80°
59°
25
79°
59°
26
81°
61°
27
81°
58°
28
81°
57°
29
80°
61°
30
82°
63°
31
86°
61°
1
83°
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 74° to 86°, with overnight lows between 54° and 63°. The average high for July is 81° with an average low of 60°. 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.