S
M
T
W
T
F
S
1
62°
49°
2
60°
46°
3
65°
44°
4
66°
49°
5
69°
46°
6
64°
48°
7
66°
51°
8
66°
48°
9
66°
47°
10
65°
44°
11
66°
46°
12
64°
48°
13
63°
48°
14
63°
44°
15
65°
49°
16
65°
53°
17
62°
46°
18
56°
41°
19
60°
42°
20
60°
42°
21
59°
36°
22
58°
46°
23
66°
45°
24
69°
45°
25
64°
39°
26
58°
52°
27
55°
41°
28
57°
46°
29
63°
43°
30
63°
45°
31
52°
45°
1
57°
48°
2
N/A
3
63°
47°
4
69°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Naples
Naples's March 2026 forecast shows daily high temperatures ranging from 63° to 69°, with overnight lows between 47° and 48°. The average high for March is 66° with an average low of 48°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how March weather will actually feel in Naples. See also: April | May | June.