S
M
T
W
T
F
S
26
90°
57°
27
72°
66°
28
84°
59°
29
93°
61°
30
88°
68°
1
87°
64°
2
74°
49°
3
77°
48°
4
82°
56°
5
88°
61°
6
90°
64°
7
85°
57°
8
80°
55°
9
85°
61°
10
84°
62°
11
87°
62°
12
88°
61°
13
90°
63°
14
88°
60°
15
88°
63°
16
87°
63°
17
88°
64°
18
89°
64°
19
88°
63°
20
89°
64°
21
89°
65°
22
88°
65°
23
89°
66°
24
90°
66°
25
89°
65°
26
89°
66°
27
90°
66°
28
88°
67°
29
86°
67°
30
85°
66°
31
86°
67°
1
86°
67°
2
85°
68°
3
83°
68°
4
87°
69°
5
91°
68°
6
87°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Macclenny
Macclenny's May 2026 forecast shows daily high temperatures ranging from 74° to 91°, with overnight lows between 48° and 69°. The average high for May is 87° with an average low of 63°. 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 Macclenny. See also: June | July | August.