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Hourly
7 Days
14 Days
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Monthly
°C
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°Celsius
°Fahrenheit
Monthly Historical Averages
Petaluma, CA
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March
Average Temperature
High
18°
Feels 18
Low
6°
Feels 5
Average Precipitation
6 Days
Rain amount
36.2mm
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
23°
13
21°
14
23°
15
26°
16
29°
17
30°
18
28°
19
29°
20
25°
21
22°
22
21°
23
19°
24
18°
25
19°
26
20°
27
28
29
30
31
Forecast
Thursday, March 12, 2026
Day
23°
Feels 23
Wind
11 km/h W
Gust
16 km/h
Humidity
53%
P.O.P
0%
Night
4°
Feels 4
Wind
10 km/h W
Gust
14 km/h
Humidity
90%
P.O.P
20%
Historical Averages
Mar 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.