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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 Rafael, CA
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April
Average Temperature
High
19°
Feels 18
Low
9°
Feels 7
Average Precipitation
4 Days
Rain amount
25.3mm
Snow amount
0cm
Content continues below
Daily Historical Averages
April 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
16°
21
14°
22
16°
23
18°
24
17°
25
15°
26
16°
27
16°
28
15°
29
18°
30
21°
Forecast
Monday, April 20, 2026
Day
16°
Feels 15
Wind
24 km/h SE
Gust
36 km/h
Humidity
74%
P.O.P
100%
Rain
10-15 mm
Night
12°
Feels 11
Wind
17 km/h SW
Gust
26 km/h
Humidity
95%
P.O.P
90%
Rain
2-4 mm
Historical Averages
Apr 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.