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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
San Quentin, CA
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Daily Historical Averages
May 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
19
20
21
22
17°
23
16°
24
16°
25
16°
26
19°
27
21°
28
19°
29
18°
30
19°
31
20°
Forecast
Friday, May 22, 2026
Day
17°
Feels 16
Wind
27 km/h SW
Gust
41 km/h
Humidity
71%
P.O.P
20%
Night
12°
Feels 11
Wind
22 km/h SW
Gust
34 km/h
Humidity
91%
P.O.P
30%
Historical Averages
May 22
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
May
Average Temperature
High
18°
Feels 17
Low
11°
Feels 9
Average Precipitation
2 Days
Rain amount
7.5mm
Snow amount
0cm