S
M
T
W
T
F
S
26
78°
52°
27
72°
59°
28
73°
61°
29
68°
52°
30
63°
42°
1
61°
42°
2
58°
40°
3
66°
35°
4
78°
54°
5
68°
49°
6
61°
45°
7
63°
41°
8
72°
45°
9
76°
56°
10
74°
57°
11
75°
50°
12
79°
45°
13
76°
55°
14
69°
43°
15
78°
47°
16
84°
64°
17
86°
68°
18
87°
67°
19
87°
66°
20
72°
60°
21
68°
57°
22
65°
60°
23
73°
61°
24
77°
63°
25
80°
61°
26
74°
66°
27
81°
69°
28
87°
61°
29
82°
63°
30
80°
58°
31
79°
60°
1
83°
57°
2
79°
57°
3
81°
62°
4
80°
65°
5
81°
64°
6
79°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lamar
Lamar's May 2026 forecast shows daily high temperatures ranging from 79° to 87°, with overnight lows between 57° and 65°. The average high for May is 81° with an average low of 61°. 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 Lamar. See also: June | July | August.
