S
M
T
W
T
F
S
26
56°
40°
27
65°
41°
28
66°
43°
29
58°
47°
30
59°
42°
1
59°
45°
2
53°
43°
3
56°
44°
4
62°
48°
5
63°
52°
6
62°
51°
7
60°
49°
8
59°
47°
9
58°
49°
10
60°
47°
11
59°
50°
12
62°
51°
13
63°
50°
14
63°
47°
15
61°
48°
16
61°
48°
17
60°
47°
18
61°
47°
19
67°
54°
20
66°
50°
21
63°
49°
22
64°
48°
23
64°
49°
24
65°
51°
25
68°
58°
26
72°
53°
27
65°
51°
28
65°
51°
29
68°
57°
30
74°
59°
31
75°
57°
1
73°
58°
2
75°
61°
3
77°
62°
4
77°
60°
5
76°
55°
6
69°
55°
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 53° to 77°, with overnight lows between 42° and 62°. The average high for May is 65° 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 May weather will actually feel in Plainview. See also: June | July | August.
