S
M
T
W
T
F
S
26
57°
38°
27
62°
45°
28
60°
45°
29
49°
38°
30
44°
35°
1
41°
32°
2
53°
26°
3
69°
46°
4
71°
41°
5
55°
36°
6
50°
40°
7
52°
37°
8
50°
39°
9
54°
39°
10
52°
39°
11
54°
41°
12
56°
41°
13
57°
44°
14
58°
45°
15
56°
41°
16
61°
43°
17
59°
46°
18
55°
45°
19
56°
49°
20
60°
49°
21
58°
40°
22
55°
40°
23
56°
44°
24
56°
42°
25
57°
41°
26
57°
41°
27
56°
42°
28
57°
43°
29
58°
48°
30
61°
49°
31
60°
48°
1
61°
49°
2
62°
53°
3
66°
53°
4
64°
54°
5
66°
55°
6
67°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rio Creek
Rio Creek's May 2026 forecast shows daily high temperatures ranging from 50° to 71°, with overnight lows between 36° and 55°. 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 Rio Creek. See also: June | July | August.