S
M
T
W
T
F
S
26
70°
50°
27
61°
45°
28
59°
43°
29
55°
33°
30
49°
26°
1
53°
32°
2
62°
28°
3
72°
47°
4
67°
41°
5
50°
35°
6
45°
33°
7
59°
35°
8
64°
47°
9
62°
35°
10
57°
33°
11
62°
42°
12
62°
42°
13
70°
47°
14
71°
50°
15
71°
50°
16
65°
47°
17
68°
47°
18
71°
50°
19
73°
47°
20
65°
42°
21
66°
43°
22
65°
43°
23
66°
46°
24
66°
50°
25
67°
52°
26
69°
48°
27
72°
50°
28
74°
52°
29
76°
54°
30
77°
56°
31
77°
55°
1
72°
50°
2
76°
57°
3
79°
58°
4
76°
55°
5
68°
52°
6
69°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Brunswick
Brunswick's May 2026 forecast shows daily high temperatures ranging from 45° to 79°, with overnight lows between 33° and 58°. The average high for May is 68° with an average low of 48°. 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 Brunswick. See also: June | July | August.