S
M
T
W
T
F
S
26
50°
32°
27
50°
30°
28
50°
25°
29
59°
19°
30
63°
36°
1
64°
30°
2
64°
34°
3
59°
32°
4
54°
36°
5
52°
34°
6
66°
32°
7
72°
32°
8
73°
27°
9
75°
41°
10
79°
36°
11
79°
37°
12
79°
45°
13
72°
46°
14
75°
36°
15
72°
32°
16
66°
41°
17
63°
27°
18
54°
19°
19
61°
28°
20
66°
30°
21
70°
30°
22
68°
41°
23
50°
37°
24
49°
36°
25
51°
38°
26
49°
34°
27
39°
26°
28
48°
30°
29
52°
32°
30
55°
31°
31
59°
35°
1
61°
36°
2
60°
38°
3
60°
36°
4
61°
37°
5
56°
33°
6
60°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rock Creek Lake Campground
Rock Creek Lake Campground's May 2026 forecast shows daily high temperatures ranging from 39° to 61°, with overnight lows between 26° and 38°. The average high for May is 54° with an average low of 34°. 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 Creek Lake Campground. See also: June | July | August.