S
M
T
W
T
F
S
26
81°
50°
27
81°
57°
28
75°
61°
29
77°
57°
30
63°
48°
1
66°
41°
2
66°
41°
3
68°
36°
4
80°
54°
5
70°
64°
6
70°
52°
7
62°
42°
8
69°
50°
9
75°
54°
10
77°
54°
11
72°
51°
12
77°
55°
13
75°
56°
14
77°
53°
15
76°
53°
16
78°
57°
17
79°
53°
18
79°
57°
19
80°
58°
20
77°
58°
21
77°
53°
22
74°
50°
23
73°
50°
24
73°
51°
25
74°
53°
26
74°
51°
27
75°
51°
28
75°
53°
29
77°
54°
30
80°
60°
31
79°
61°
1
78°
61°
2
77°
60°
3
78°
57°
4
78°
57°
5
81°
62°
6
84°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rockvale
Rockvale's May 2026 forecast shows daily high temperatures ranging from 62° to 84°, with overnight lows between 42° and 64°. The average high for May is 76° with an average low of 55°. 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 Rockvale. See also: June | July | August.