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7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
San Carlos, CA
Content continues below
May
Average Temperature
High
21°
Feels 21
Low
10°
Feels 9
Average Precipitation
2 Days
Rain amount
7.8mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
20°
8
20°
9
22°
10
21°
11
28°
12
25°
13
23°
14
23°
15
21°
16
18°
17
20°
18
20°
19
19°
20
20°
21
21°
22
23
24
25
26
27
28
29
30
31
Forecast
Thursday, May 7, 2026
Day
20°
Feels 20
Wind
22 km/h NW
Gust
32 km/h
Humidity
63%
P.O.P
30%
Night
13°
Feels 11
Wind
17 km/h W
Gust
25 km/h
Humidity
91%
P.O.P
30%
Historical Averages
May 7
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.