S
M
T
W
T
F
S
26
83°
60°
27
87°
64°
28
80°
67°
29
80°
64°
30
70°
62°
1
62°
54°
2
71°
48°
3
75°
44°
4
80°
48°
5
79°
54°
6
74°
66°
7
69°
60°
8
69°
57°
9
71°
62°
10
80°
62°
11
79°
64°
12
81°
62°
13
82°
56°
14
80°
57°
15
83°
51°
16
N/A
17
88°
62°
18
88°
66°
19
91°
67°
20
89°
67°
21
88°
64°
22
83°
65°
23
80°
66°
24
81°
65°
25
83°
64°
26
84°
65°
27
85°
66°
28
84°
65°
29
83°
66°
30
88°
63°
31
87°
66°
1
89°
67°
2
89°
67°
3
85°
66°
4
84°
66°
5
85°
67°
6
83°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Magnolia
Magnolia's May 2026 forecast shows daily high temperatures ranging from 80° to 91°, with overnight lows between 62° and 68°. The average high for May is 86° with an average low of 66°. 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 Magnolia. See also: June | July | August.