S
M
T
W
T
F
S
26
80°
48°
27
69°
56°
28
62°
52°
29
61°
45°
30
64°
39°
1
61°
40°
2
60°
44°
3
75°
44°
4
80°
55°
5
62°
45°
6
60°
42°
7
67°
41°
8
65°
53°
9
80°
49°
10
69°
49°
11
75°
48°
12
82°
52°
13
71°
47°
14
73°
53°
15
84°
65°
16
76°
64°
17
85°
68°
18
83°
62°
19
72°
53°
20
70°
50°
21
71°
51°
22
71°
53°
23
74°
53°
24
78°
57°
25
80°
60°
26
78°
57°
27
79°
62°
28
80°
61°
29
81°
58°
30
73°
58°
31
74°
57°
1
74°
54°
2
75°
55°
3
75°
61°
4
80°
64°
5
84°
65°
6
84°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Louisiana
Louisiana's May 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 47° and 68°. The average high for May is 77° with an average low of 58°. 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 Louisiana. See also: June | July | August.
