S
M
T
W
T
F
S
26
83°
67°
27
87°
66°
28
87°
66°
29
86°
65°
30
75°
64°
1
68°
54°
2
72°
53°
3
75°
46°
4
77°
50°
5
82°
54°
6
84°
69°
7
79°
66°
8
69°
64°
9
70°
63°
10
82°
64°
11
81°
66°
12
82°
66°
13
83°
63°
14
86°
58°
15
83°
59°
16
83°
64°
17
82°
64°
18
84°
67°
19
87°
71°
20
86°
71°
21
87°
72°
22
85°
72°
23
86°
72°
24
84°
70°
25
85°
71°
26
82°
70°
27
83°
69°
28
87°
69°
29
86°
68°
30
85°
66°
31
86°
68°
1
89°
65°
2
88°
67°
3
85°
68°
4
85°
68°
5
86°
67°
6
84°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Picayune
Picayune's May 2026 forecast shows daily high temperatures ranging from 82° to 89°, with overnight lows between 65° and 72°. The average high for May is 86° with an average low of 69°. 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 Picayune. See also: June | July | August.
