S
M
T
W
T
F
S
26
72°
52°
27
70°
50°
28
59°
46°
29
68°
50°
30
72°
54°
1
64°
48°
2
64°
52°
3
61°
46°
4
62°
45°
5
61°
47°
6
59°
42°
7
60°
41°
8
60°
44°
9
60°
45°
10
61°
46°
11
61°
47°
12
63°
48°
13
60°
47°
14
61°
46°
15
60°
54°
16
56°
48°
17
58°
53°
18
57°
53°
19
58°
52°
20
58°
52°
21
59°
51°
22
58°
50°
23
58°
51°
24
59°
54°
25
59°
54°
26
60°
55°
27
59°
53°
28
59°
51°
29
60°
51°
30
63°
54°
31
65°
55°
1
64°
54°
2
65°
54°
3
65°
56°
4
66°
56°
5
64°
55°
6
64°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Brest
Brest's May 2026 forecast shows daily high temperatures ranging from 56° to 66°, with overnight lows between 41° and 56°. The average high for May is 61° with an average low of 51°. 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 Brest. See also: June | July | August.
