S
M
T
W
T
F
S
26
78°
52°
27
78°
60°
28
65°
55°
29
63°
44°
30
66°
40°
1
62°
43°
2
61°
43°
3
76°
43°
4
75°
58°
5
71°
46°
6
61°
44°
7
67°
38°
8
72°
49°
9
78°
50°
10
70°
50°
11
76°
43°
12
81°
51°
13
73°
52°
14
73°
46°
15
83°
55°
16
76°
65°
17
86°
63°
18
77°
63°
19
77°
60°
20
67°
55°
21
69°
51°
22
67°
61°
23
73°
63°
24
82°
57°
25
81°
58°
26
79°
66°
27
79°
65°
28
81°
63°
29
77°
60°
30
72°
61°
31
78°
59°
1
79°
58°
2
76°
58°
3
79°
61°
4
80°
63°
5
82°
63°
6
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Brighton
Brighton's May 2026 forecast shows daily high temperatures ranging from 72° to 82°, with overnight lows between 57° and 66°. The average high for May is 79° with an average low of 61°. 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 Brighton. See also: June | July | August.