S
M
T
W
T
F
S
26
98°
78°
27
101°
78°
28
97°
78°
29
95°
78°
30
N/A
1
100°
77°
2
104°
75°
3
103°
78°
4
98°
76°
5
105°
77°
6
102°
80°
7
95°
82°
8
96°
82°
9
97°
77°
10
97°
77°
11
94°
76°
12
95°
77°
13
94°
79°
14
92°
78°
15
93°
79°
16
93°
79°
17
92°
78°
18
93°
79°
19
94°
79°
20
94°
78°
21
93°
79°
22
91°
79°
23
90°
78°
24
90°
79°
25
91°
79°
26
90°
78°
27
91°
78°
28
90°
79°
29
90°
79°
30
89°
78°
31
90°
80°
1
90°
80°
2
89°
78°
3
89°
80°
4
90°
80°
5
89°
79°
6
89°
79°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in San Carlos City
San Carlos City's May 2026 forecast shows daily high temperatures ranging from 89° to 105°, with overnight lows between 75° and 82°. The average high for May is 94° with an average low of 79°. 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 City. See also: June | July | August.
