S
M
T
W
T
F
S
26
59°
42°
27
63°
35°
28
56°
39°
29
54°
44°
30
53°
44°
1
64°
45°
2
59°
46°
3
53°
42°
4
71°
43°
5
77°
50°
6
69°
54°
7
64°
46°
8
61°
42°
9
58°
36°
10
71°
50°
11
63°
46°
12
63°
43°
13
65°
46°
14
62°
50°
15
56°
48°
16
79°
47°
17
86°
56°
18
85°
59°
19
95°
66°
20
89°
66°
21
70°
53°
22
62°
48°
23
64°
50°
24
53°
49°
25
73°
53°
26
82°
61°
27
89°
58°
28
71°
48°
29
71°
54°
30
64°
45°
31
66°
49°
1
65°
48°
2
71°
50°
3
74°
56°
4
77°
57°
5
80°
58°
6
75°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rockland
Rockland's May 2026 forecast shows daily high temperatures ranging from 64° to 89°, with overnight lows between 45° and 61°. The average high for May is 74° with an average low of 54°. 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 Rockland. See also: June | July | August.
