S
M
T
W
T
F
S
27
79°
74°
28
80°
74°
29
79°
75°
30
80°
76°
1
81°
76°
2
80°
71°
3
78°
70°
4
76°
62°
5
75°
67°
6
80°
71°
7
79°
69°
8
79°
71°
9
78°
64°
10
77°
66°
11
72°
63°
12
76°
65°
13
81°
72°
14
82°
75°
15
82°
74°
16
82°
77°
17
83°
77°
18
84°
78°
19
83°
78°
20
84°
79°
21
81°
72°
22
82°
76°
23
82°
79°
24
83°
80°
25
85°
80°
26
85°
75°
27
82°
71°
28
81°
72°
29
83°
72°
30
82°
76°
31
82°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Johnsons Bayou
Johnsons Bayou's May 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Johnsons Bayou. See also: June | July | August.