S
M
T
W
T
F
S
26
81°
59°
27
80°
61°
28
82°
59°
29
84°
63°
30
83°
62°
1
84°
63°
2
84°
62°
3
79°
59°
4
82°
63°
5
85°
64°
6
85°
64°
7
84°
65°
8
85°
65°
9
85°
64°
10
86°
66°
11
85°
65°
12
85°
60°
13
80°
61°
14
81°
65°
15
81°
66°
16
82°
67°
17
86°
68°
18
84°
68°
19
83°
67°
20
82°
68°
21
85°
69°
22
87°
69°
23
86°
68°
24
87°
69°
25
87°
70°
26
86°
70°
27
88°
69°
28
86°
68°
29
86°
66°
30
89°
65°
31
89°
66°
1
90°
67°
2
91°
66°
3
90°
67°
4
91°
67°
5
91°
66°
6
90°
67°
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 91°, with overnight lows between 59° and 70°. The average high for May is 85° 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.
