S
M
T
W
T
F
S
26
68°
61°
27
69°
52°
28
76°
53°
29
83°
53°
30
82°
69°
1
84°
70°
2
77°
60°
3
N/A
4
60°
50°
5
62°
48°
6
62°
49°
7
57°
51°
8
62°
48°
9
63°
49°
10
64°
47°
11
66°
43°
12
65°
45°
13
67°
47°
14
69°
50°
15
70°
51°
16
61°
42°
17
61°
48°
18
62°
46°
19
64°
48°
20
60°
48°
21
60°
45°
22
59°
44°
23
59°
43°
24
60°
42°
25
60°
44°
26
62°
47°
27
65°
48°
28
65°
48°
29
63°
47°
30
60°
45°
31
59°
44°
1
60°
44°
2
61°
45°
3
63°
46°
4
63°
47°
5
62°
47°
6
62°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Millbrook
Millbrook's May 2026 forecast shows daily high temperatures ranging from 57° to 70°, with overnight lows between 42° and 51°. The average high for May is 62° with an average low of 47°. 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.