S
M
T
W
T
F
S
26
92°
76°
27
86°
77°
28
88°
76°
29
85°
75°
30
89°
76°
1
87°
76°
2
90°
76°
3
90°
76°
4
91°
77°
5
92°
77°
6
92°
77°
7
88°
77°
8
87°
76°
9
87°
76°
10
89°
77°
11
88°
77°
12
88°
76°
13
87°
76°
14
92°
75°
15
90°
77°
16
88°
78°
17
90°
78°
18
87°
77°
19
88°
76°
20
88°
73°
21
88°
75°
22
87°
74°
23
87°
74°
24
86°
75°
25
85°
75°
26
86°
76°
27
84°
77°
28
86°
76°
29
86°
74°
30
87°
73°
31
87°
74°
1
88°
75°
2
87°
73°
3
86°
74°
4
86°
72°
5
85°
74°
6
85°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in San Carlos
San Carlos's May 2026 forecast shows daily high temperatures ranging from 84° to 88°, with overnight lows between 72° and 77°. The average high for May is 86° with an average low of 74°. 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 San Carlos. See also: June | July | August.
