S
M
T
W
T
F
S
26
71°
39°
27
68°
43°
28
70°
40°
29
64°
40°
30
46°
36°
1
59°
35°
2
71°
40°
3
78°
46°
4
77°
45°
5
54°
32°
6
38°
26°
7
72°
43°
8
74°
46°
9
77°
44°
10
63°
41°
11
83°
47°
12
86°
52°
13
86°
53°
14
87°
54°
15
89°
55°
16
85°
52°
17
74°
44°
18
78°
49°
19
78°
45°
20
77°
46°
21
75°
44°
22
72°
50°
23
79°
49°
24
70°
47°
25
69°
45°
26
72°
45°
27
75°
50°
28
72°
52°
29
72°
52°
30
71°
50°
31
72°
50°
1
73°
48°
2
75°
49°
3
79°
50°
4
76°
51°
5
75°
51°
6
76°
50°
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 38° to 89°, with overnight lows between 26° and 55°. The average high for May is 74° 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 Rockvale. See also: June | July | August.