S
M
T
W
T
F
S
26
65°
51°
27
68°
51°
28
75°
53°
29
71°
47°
30
69°
48°
1
69°
51°
2
66°
51°
3
66°
52°
4
66°
49°
5
63°
54°
6
72°
52°
7
72°
50°
8
75°
51°
9
82°
52°
10
82°
55°
11
84°
56°
12
81°
55°
13
80°
56°
14
77°
54°
15
76°
54°
16
74°
53°
17
75°
53°
18
73°
51°
19
77°
55°
20
78°
54°
21
76°
54°
22
76°
53°
23
77°
55°
24
78°
56°
25
78°
55°
26
77°
54°
27
71°
54°
28
71°
53°
29
72°
54°
30
72°
55°
31
73°
56°
1
75°
56°
2
78°
55°
3
76°
56°
4
72°
55°
5
73°
54°
6
71°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Brightside
Brightside's May 2026 forecast shows daily high temperatures ranging from 63° to 84°, with overnight lows between 50° and 56°. The average high for May is 75° with an average low of 54°. 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 Brightside. See also: June | July | August.