S
M
T
W
T
F
S
26
48°
31°
27
43°
27°
28
50°
29°
29
52°
29°
30
49°
31°
1
58°
29°
2
65°
31°
3
68°
39°
4
69°
40°
5
42°
26°
6
50°
24°
7
66°
42°
8
70°
36°
9
68°
40°
10
70°
33°
11
82°
42°
12
83°
48°
13
82°
49°
14
69°
44°
15
72°
40°
16
69°
39°
17
46°
32°
18
37°
27°
19
50°
28°
20
59°
29°
21
52°
31°
22
58°
30°
23
71°
36°
24
74°
43°
25
76°
42°
26
71°
52°
27
78°
48°
28
80°
47°
29
78°
52°
30
55°
42°
31
66°
41°
1
73°
47°
2
73°
47°
3
77°
51°
4
80°
51°
5
79°
53°
6
81°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rock Springs South
Rock Springs South's May 2026 forecast shows daily high temperatures ranging from 66° to 81°, with overnight lows between 41° and 55°. The average high for May is 76° with an average low of 49°. 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 Springs South. See also: June | July | August.
