S
M
T
W
T
F
S
26
63°
44°
27
72°
45°
28
73°
52°
29
56°
47°
30
52°
38°
1
44°
35°
2
46°
37°
3
58°
47°
4
69°
57°
5
68°
49°
6
57°
44°
7
51°
41°
8
56°
45°
9
60°
46°
10
62°
47°
11
63°
49°
12
64°
51°
13
67°
50°
14
63°
42°
15
70°
52°
16
66°
50°
17
68°
54°
18
73°
57°
19
73°
57°
20
75°
58°
21
78°
58°
22
77°
59°
23
78°
57°
24
74°
53°
25
69°
51°
26
73°
59°
27
78°
60°
28
76°
59°
29
74°
58°
30
72°
56°
31
76°
55°
1
71°
54°
2
72°
57°
3
72°
53°
4
73°
52°
5
72°
53°
6
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Brittain
Brittain's May 2026 forecast shows daily high temperatures ranging from 44° to 78°, with overnight lows between 35° and 60°. The average high for May is 68° with an average low of 52°. 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 Brittain. See also: June | July | August.
