S
M
T
W
T
F
S
26
49°
38°
27
44°
40°
28
51°
33°
29
52°
28°
30
50°
28°
1
54°
30°
2
69°
29°
3
68°
44°
4
58°
34°
5
47°
28°
6
43°
26°
7
59°
22°
8
70°
32°
9
57°
38°
10
56°
35°
11
68°
31°
12
66°
48°
13
73°
37°
14
78°
48°
15
81°
47°
16
72°
45°
17
69°
46°
18
58°
46°
19
50°
37°
20
60°
31°
21
65°
36°
22
51°
44°
23
63°
43°
24
79°
55°
25
84°
58°
26
87°
60°
27
83°
52°
28
80°
57°
29
77°
56°
30
76°
53°
31
72°
52°
1
77°
55°
2
76°
56°
3
77°
57°
4
75°
59°
5
74°
53°
6
73°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in St. Rosa
St. Rosa's May 2026 forecast shows daily high temperatures ranging from 63° to 87°, with overnight lows between 43° and 60°. The average high for May is 77° with an average low of 55°. 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 St. Rosa. See also: June | July | August.
