S
M
T
W
T
F
S
26
62°
43°
27
71°
39°
28
72°
49°
29
56°
47°
30
53°
38°
1
45°
38°
2
43°
35°
3
60°
31°
4
72°
46°
5
70°
48°
6
56°
42°
7
57°
36°
8
57°
43°
9
69°
50°
10
60°
43°
11
62°
36°
12
66°
36°
13
66°
43°
14
60°
39°
15
69°
35°
16
72°
52°
17
83°
59°
18
87°
62°
19
88°
65°
20
62°
43°
21
68°
50°
22
63°
55°
23
71°
61°
24
76°
61°
25
72°
59°
26
73°
60°
27
75°
58°
28
77°
59°
29
76°
61°
30
76°
60°
31
79°
59°
1
77°
59°
2
78°
61°
3
78°
59°
4
79°
58°
5
77°
59°
6
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Millbrook
Millbrook's May 2026 forecast shows daily high temperatures ranging from 62° to 79°, with overnight lows between 43° and 61°. The average high for May is 74° with an average low of 58°. 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 Millbrook. See also: June | July | August.