S
M
T
W
T
F
S
26
65°
32°
27
73°
36°
28
69°
38°
29
67°
38°
30
49°
40°
1
53°
34°
2
46°
33°
3
46°
30°
4
63°
30°
5
78°
46°
6
52°
42°
7
53°
35°
8
50°
30°
9
55°
27°
10
61°
41°
11
52°
33°
12
52°
32°
13
46°
30°
14
55°
44°
15
62°
51°
16
75°
49°
17
74°
55°
18
80°
46°
19
83°
55°
20
77°
52°
21
56°
36°
22
64°
32°
23
66°
36°
24
51°
45°
25
62°
47°
26
80°
44°
27
73°
49°
28
62°
48°
29
62°
46°
30
56°
38°
31
60°
36°
1
65°
43°
2
70°
38°
3
78°
42°
4
82°
47°
5
80°
52°
6
71°
56°
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 ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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.