S
M
T
W
T
F
S
26
87°
66°
27
84°
62°
28
85°
64°
29
86°
66°
30
87°
64°
31
88°
67°
1
89°
64°
2
88°
65°
3
88°
63°
4
86°
65°
5
88°
67°
6
89°
66°
7
88°
69°
8
87°
65°
9
84°
63°
10
83°
62°
11
87°
67°
12
88°
67°
13
88°
66°
14
87°
64°
15
87°
62°
16
83°
65°
17
84°
68°
18
86°
67°
19
87°
64°
20
86°
65°
21
85°
65°
22
86°
61°
23
84°
65°
24
85°
66°
25
85°
64°
26
84°
63°
27
85°
66°
28
85°
65°
29
84°
61°
30
83°
58°
31
83°
62°
1
84°
64°
2
84°
65°
3
83°
63°
4
84°
64°
5
83°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lucca
Lucca's August 2026 forecast shows daily high temperatures ranging from 83° to 89°, with overnight lows between 58° and 69°. The average high for August is 86° with an average low of 65°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Lucca. See also: September | October | November.