S
M
T
W
T
F
S
26
73°
54°
27
72°
48°
28
59°
46°
29
59°
41°
30
59°
37°
1
58°
35°
2
61°
45°
3
71°
48°
4
78°
44°
5
60°
42°
6
57°
36°
7
59°
44°
8
71°
49°
9
68°
47°
10
69°
51°
11
69°
50°
12
70°
51°
13
68°
48°
14
61°
38°
15
63°
47°
16
65°
48°
17
65°
52°
18
70°
53°
19
71°
53°
20
73°
54°
21
75°
55°
22
74°
49°
23
66°
45°
24
64°
48°
25
65°
50°
26
68°
52°
27
69°
51°
28
68°
49°
29
68°
48°
30
76°
56°
31
70°
53°
1
72°
58°
2
80°
55°
3
72°
52°
4
71°
51°
5
71°
50°
6
72°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lucas
Lucas's May 2026 forecast shows daily high temperatures ranging from 57° to 80°, with overnight lows between 35° and 58°. The average high for May is 68° with an average low of 49°. 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 Lucas. See also: June | July | August.