S
M
T
W
T
F
S
28
70°
56°
29
66°
52°
30
64°
51°
1
65°
52°
2
60°
47°
3
61°
48°
4
59°
49°
5
60°
49°
6
61°
48°
7
60°
48°
8
61°
49°
9
61°
49°
10
62°
48°
11
61°
51°
12
66°
53°
13
67°
53°
14
66°
52°
15
65°
53°
16
65°
53°
17
64°
54°
18
63°
54°
19
66°
52°
20
62°
49°
21
63°
52°
22
66°
54°
23
66°
54°
24
65°
53°
25
66°
54°
26
65°
53°
27
66°
50°
28
66°
49°
29
65°
52°
30
67°
50°
31
65°
54°
1
67°
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 59° to 70°, with overnight lows between 47° and 56°. The average high for July is 64° with an average low of 51°. 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.