S
M
T
W
T
F
S
26
84°
58°
27
84°
59°
28
76°
63°
29
80°
61°
30
67°
52°
1
69°
47°
2
69°
45°
3
68°
41°
4
80°
45°
5
78°
58°
6
72°
56°
7
70°
50°
8
73°
45°
9
75°
51°
10
82°
53°
11
76°
53°
12
80°
49°
13
81°
55°
14
73°
46°
15
82°
44°
16
86°
55°
17
92°
58°
18
90°
62°
19
91°
68°
20
88°
67°
21
79°
67°
22
76°
68°
23
78°
67°
24
77°
68°
25
76°
68°
26
77°
68°
27
82°
68°
28
82°
67°
29
79°
65°
30
77°
60°
31
76°
58°
1
77°
59°
2
78°
61°
3
80°
61°
4
81°
63°
5
84°
62°
6
80°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mountain Brook
Mountain Brook's May 2026 forecast shows daily high temperatures ranging from 76° to 84°, with overnight lows between 58° and 68°. The average high for May is 79° with an average low of 64°. 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 Mountain Brook. See also: June | July | August.
