S
M
T
W
T
F
S
26
84°
67°
27
83°
69°
28
84°
65°
29
82°
60°
30
82°
62°
1
83°
61°
2
78°
63°
3
79°
64°
4
81°
65°
5
79°
65°
6
79°
64°
7
81°
66°
8
81°
67°
9
82°
67°
10
84°
66°
11
84°
68°
12
83°
68°
13
84°
67°
14
84°
67°
15
83°
68°
16
84°
68°
17
83°
68°
18
82°
68°
19
83°
68°
20
83°
66°
21
82°
65°
22
83°
67°
23
86°
69°
24
86°
70°
25
87°
70°
26
84°
69°
27
84°
70°
28
85°
71°
29
86°
71°
30
86°
70°
31
87°
72°
1
87°
69°
2
87°
70°
3
86°
69°
4
85°
68°
5
87°
69°
6
88°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Donaldsonville
Donaldsonville's May 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 60° and 72°. The average high for May is 84° with an average low of 67°. 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 Donaldsonville. See also: June | July | August.
