S
M
T
W
T
F
S
26
69°
44°
27
72°
44°
28
74°
45°
29
76°
44°
30
72°
52°
1
72°
50°
2
73°
42°
3
72°
44°
4
72°
47°
5
70°
57°
6
69°
54°
7
71°
49°
8
73°
48°
9
76°
51°
10
69°
57°
11
71°
61°
12
70°
61°
13
68°
56°
14
67°
54°
15
60°
48°
16
66°
45°
17
69°
49°
18
68°
52°
19
67°
53°
20
73°
55°
21
74°
56°
22
75°
57°
23
73°
56°
24
73°
56°
25
74°
57°
26
75°
58°
27
70°
52°
28
71°
53°
29
71°
55°
30
72°
53°
31
73°
54°
1
74°
57°
2
76°
58°
3
76°
57°
4
78°
58°
5
78°
58°
6
77°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lucca
Lucca's May 2026 forecast shows daily high temperatures ranging from 60° to 78°, with overnight lows between 45° and 60°. The average high for May is 72° with an average low of 55°. 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 Lucca. See also: June | July | August.