S
M
T
W
T
F
S
26
84°
65°
27
88°
68°
28
87°
71°
29
80°
66°
30
68°
59°
1
59°
53°
2
72°
48°
3
77°
45°
4
80°
50°
5
80°
57°
6
80°
61°
7
71°
58°
8
67°
58°
9
77°
62°
10
83°
60°
11
78°
65°
12
82°
60°
13
84°
58°
14
82°
60°
15
87°
59°
16
85°
67°
17
87°
63°
18
89°
70°
19
90°
72°
20
83°
70°
21
81°
70°
22
86°
70°
23
83°
67°
24
84°
69°
25
74°
69°
26
86°
69°
27
86°
73°
28
83°
72°
29
88°
72°
30
88°
71°
31
90°
73°
1
90°
72°
2
91°
66°
3
89°
67°
4
87°
65°
5
86°
71°
6
87°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Brandon
Brandon's May 2026 forecast shows daily high temperatures ranging from 86° to 91°, with overnight lows between 65° and 73°. The average high for May is 89° 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 Brandon. See also: June | July | August.