S
M
T
W
T
F
S
26
91°
47°
27
83°
53°
28
86°
47°
29
62°
48°
30
59°
46°
1
58°
39°
2
70°
43°
3
76°
52°
4
84°
61°
5
77°
48°
6
77°
49°
7
75°
50°
8
84°
53°
9
81°
53°
10
83°
52°
11
84°
54°
12
80°
52°
13
80°
55°
14
81°
54°
15
85°
60°
16
85°
59°
17
86°
61°
18
86°
61°
19
85°
62°
20
87°
62°
21
86°
61°
22
81°
59°
23
85°
63°
24
84°
56°
25
78°
53°
26
77°
53°
27
79°
57°
28
81°
63°
29
81°
62°
30
86°
64°
31
86°
65°
1
83°
65°
2
86°
64°
3
91°
65°
4
91°
65°
5
86°
66°
6
85°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Plainview
Plainview's May 2026 forecast shows daily high temperatures ranging from 58° to 91°, with overnight lows between 39° and 66°. The average high for May is 82° with an average low of 57°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Plainview. See also: June | July | August.
