S
M
T
W
T
F
S
26
74°
57°
27
73°
53°
28
76°
52°
29
73°
57°
30
79°
56°
1
73°
54°
2
76°
54°
3
72°
51°
4
73°
52°
5
73°
51°
6
74°
54°
7
74°
57°
8
80°
59°
9
82°
59°
10
82°
60°
11
79°
54°
12
80°
52°
13
74°
52°
14
76°
54°
15
79°
60°
16
80°
57°
17
83°
62°
18
82°
62°
19
78°
61°
20
78°
62°
21
79°
63°
22
81°
64°
23
85°
64°
24
85°
63°
25
84°
64°
26
85°
65°
27
86°
65°
28
86°
64°
29
88°
65°
30
88°
66°
31
86°
64°
1
87°
62°
2
88°
61°
3
82°
62°
4
82°
61°
5
83°
66°
6
86°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rocky Brook
Rocky Brook's May 2026 forecast shows daily high temperatures ranging from 72° to 88°, with overnight lows between 51° and 66°. The average high for May is 80° with an average low of 59°. 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 Rocky Brook. See also: June | July | August.