S
M
T
W
T
F
S
26
83°
62°
27
83°
63°
28
79°
63°
29
83°
64°
30
83°
64°
1
82°
63°
2
83°
63°
3
80°
62°
4
79°
63°
5
81°
65°
6
82°
64°
7
83°
65°
8
83°
65°
9
85°
64°
10
85°
65°
11
84°
66°
12
86°
66°
13
86°
65°
14
85°
66°
15
86°
67°
16
86°
67°
17
85°
66°
18
82°
67°
19
82°
66°
20
83°
68°
21
84°
69°
22
86°
64°
23
85°
68°
24
85°
62°
25
84°
63°
26
85°
68°
27
89°
69°
28
87°
68°
29
86°
67°
30
85°
67°
31
86°
64°
1
85°
64°
2
86°
66°
3
89°
65°
4
89°
67°
5
87°
67°
6
87°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Baton Rouge
Baton Rouge's May 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 62° and 69°. The average high for May is 84° with an average low of 65°. 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 Baton Rouge. See also: June | July | August.
