S
M
T
W
T
F
S
26
40°
32°
27
42°
32°
28
48°
32°
29
44°
34°
30
48°
36°
1
47°
38°
2
45°
38°
3
46°
37°
4
57°
41°
5
68°
49°
6
62°
47°
7
51°
41°
8
47°
40°
9
53°
42°
10
50°
41°
11
47°
42°
12
49°
41°
13
50°
42°
14
52°
42°
15
51°
43°
16
53°
40°
17
58°
42°
18
54°
44°
19
61°
44°
20
55°
43°
21
61°
45°
22
60°
45°
23
57°
46°
24
58°
45°
25
60°
45°
26
59°
46°
27
61°
47°
28
61°
46°
29
60°
45°
30
59°
46°
31
58°
47°
1
61°
47°
2
62°
46°
3
59°
48°
4
63°
48°
5
59°
47°
6
60°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rock Barra
Rock Barra's May 2026 forecast shows daily high temperatures ranging from 46° to 68°, with overnight lows between 37° and 49°. The average high for May is 57° with an average low of 44°. 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 Rock Barra. See also: June | July | August.