S
M
T
W
T
F
S
26
58°
38°
27
44°
38°
28
42°
37°
29
41°
39°
30
42°
39°
1
49°
43°
2
53°
41°
3
45°
37°
4
58°
39°
5
52°
44°
6
55°
47°
7
56°
46°
8
56°
45°
9
53°
41°
10
52°
46°
11
51°
46°
12
48°
43°
13
57°
40°
14
51°
44°
15
60°
47°
16
69°
48°
17
72°
48°
18
62°
51°
19
61°
49°
20
81°
53°
21
67°
48°
22
58°
42°
23
59°
42°
24
57°
41°
25
56°
49°
26
70°
54°
27
51°
45°
28
52°
43°
29
54°
43°
30
49°
42°
31
50°
41°
1
56°
40°
2
60°
44°
3
64°
45°
4
66°
49°
5
66°
51°
6
65°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Blue Rocks
Blue Rocks's May 2026 forecast shows daily high temperatures ranging from 49° to 66°, with overnight lows between 40° and 51°. The average high for May is 58° with an average low of 45°. 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 Blue Rocks. See also: June | July | August.