S
M
T
W
T
F
S
26
65°
37°
27
72°
31°
28
68°
35°
29
65°
34°
30
52°
45°
1
60°
38°
2
55°
39°
3
52°
33°
4
64°
47°
5
72°
53°
6
62°
44°
7
54°
36°
8
50°
32°
9
50°
42°
10
56°
42°
11
53°
38°
12
54°
39°
13
57°
43°
14
58°
42°
15
53°
43°
16
58°
44°
17
59°
42°
18
67°
47°
19
66°
46°
20
64°
47°
21
65°
46°
22
65°
47°
23
60°
39°
24
57°
41°
25
59°
40°
26
60°
46°
27
61°
41°
28
60°
41°
29
60°
42°
30
61°
42°
31
62°
50°
1
63°
44°
2
64°
43°
3
63°
49°
4
67°
49°
5
64°
47°
6
66°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Jacksonville
Jacksonville's May 2026 forecast shows daily high temperatures ranging from 50° to 72°, with overnight lows between 32° and 53°. The average high for May is 60° with an average low of 44°. 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 Jacksonville. See also: June | July | August.
