S
M
T
W
T
F
S
26
89°
77°
27
91°
76°
28
94°
79°
29
93°
75°
30
93°
77°
1
86°
66°
2
73°
61°
3
82°
61°
4
85°
67°
5
90°
75°
6
99°
79°
7
82°
71°
8
90°
70°
9
91°
73°
10
95°
73°
11
89°
66°
12
90°
68°
13
90°
64°
14
95°
70°
15
90°
71°
16
91°
75°
17
94°
79°
18
98°
77°
19
95°
78°
20
91°
68°
21
83°
70°
22
92°
72°
23
82°
74°
24
91°
71°
25
89°
73°
26
89°
77°
27
93°
77°
28
95°
77°
29
96°
77°
30
98°
74°
31
91°
75°
1
91°
74°
2
89°
72°
3
91°
71°
4
90°
73°
5
94°
76°
6
91°
77°
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 82° to 98°, with overnight lows between 71° and 77°. The average high for May is 91° with an average low of 75°. 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.
