S
M
T
W
T
F
S
26
83°
60°
27
73°
55°
28
65°
54°
29
83°
60°
30
75°
58°
1
67°
55°
2
69°
50°
3
71°
43°
4
79°
44°
5
80°
50°
6
84°
62°
7
73°
54°
8
71°
51°
9
71°
56°
10
82°
59°
11
82°
57°
12
71°
57°
13
79°
51°
14
76°
54°
15
76°
46°
16
85°
51°
17
90°
62°
18
88°
61°
19
88°
63°
20
90°
64°
21
83°
67°
22
87°
66°
23
73°
63°
24
72°
64°
25
80°
67°
26
82°
68°
27
85°
69°
28
88°
70°
29
80°
66°
30
79°
63°
31
69°
62°
1
84°
64°
2
78°
58°
3
76°
60°
4
77°
61°
5
75°
63°
6
76°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Longview
Longview's May 2026 forecast shows daily high temperatures ranging from 69° to 84°, with overnight lows between 58° and 66°. The average high for May is 77° with an average low of 62°. 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 Longview. See also: June | July | August.