S
M
T
W
T
F
S
26
54°
40°
27
68°
37°
28
57°
50°
29
54°
50°
30
54°
40°
1
55°
33°
2
48°
34°
3
59°
36°
4
75°
42°
5
77°
54°
6
65°
48°
7
59°
41°
8
59°
37°
9
61°
46°
10
64°
48°
11
61°
39°
12
68°
34°
13
64°
47°
14
48°
44°
15
68°
46°
16
75°
46°
17
86°
63°
18
94°
65°
19
92°
69°
20
80°
47°
21
69°
45°
22
61°
51°
23
62°
51°
24
74°
51°
25
72°
51°
26
78°
52°
27
76°
52°
28
77°
51°
29
80°
53°
30
77°
51°
31
82°
50°
1
77°
52°
2
74°
56°
3
72°
55°
4
76°
53°
5
72°
52°
6
75°
55°
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 61° to 94°, with overnight lows between 45° and 69°. The average high for May is 76° with an average low of 53°. 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.
