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Monthly
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Current
Hourly
7 Days
14 Days
Weekend
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
San Mateo, CA
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March
Average Temperature
High
16°
Feels 16
Low
8°
Feels 7
Average Precipitation
7 Days
Rain amount
50.2mm
Snow amount
0cm
Content continues below
Daily Historical Averages
March 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
30°
19
31°
20
30°
21
27°
22
23°
23
26°
24
25°
25
23°
26
22°
27
23°
28
21°
29
21°
30
21°
31
21°
Forecast
Wednesday, March 18, 2026
Day
30°
Feels 30
Wind
14 km/h S
Gust
22 km/h
Humidity
39%
P.O.P
0%
Night
16°
Feels 16
Wind
14 km/h W
Gust
21 km/h
Humidity
63%
P.O.P
0%
Historical Averages
Mar 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.