S
M
T
W
T
F
S
26
86°
72°
27
88°
72°
28
89°
71°
29
86°
68°
30
73°
64°
1
64°
52°
2
71°
51°
3
76°
48°
4
76°
52°
5
79°
62°
6
84°
66°
7
73°
58°
8
69°
62°
9
72°
64°
10
85°
64°
11
81°
67°
12
82°
64°
13
83°
61°
14
86°
63°
15
86°
67°
16
85°
68°
17
87°
71°
18
89°
74°
19
89°
68°
20
83°
68°
21
79°
70°
22
87°
70°
23
80°
70°
24
74°
70°
25
79°
69°
26
78°
69°
27
80°
69°
28
80°
68°
29
85°
69°
30
83°
70°
31
85°
66°
1
86°
71°
2
85°
70°
3
88°
69°
4
89°
70°
5
88°
71°
6
87°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Opelousas
Opelousas's May 2026 forecast shows daily high temperatures ranging from 74° to 89°, with overnight lows between 66° and 72°. The average high for May is 83° with an average low of 70°. 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 Opelousas. See also: June | July | August.
