S
M
T
W
T
F
S
1
63°
54°
2
65°
51°
3
66°
46°
4
64°
45°
5
67°
42°
6
75°
44°
7
80°
50°
8
77°
51°
9
72°
42°
10
64°
40°
11
76°
40°
12
75°
43°
13
71°
40°
14
73°
45°
15
80°
47°
16
85°
46°
17
90°
47°
18
90°
45°
19
90°
44°
20
91°
49°
21
76°
51°
22
75°
42°
23
72°
43°
24
75°
44°
25
72°
41°
26
72°
41°
27
82°
42°
28
78°
40°
29
82°
44°
30
74°
48°
31
65°
55°
1
59°
51°
2
63°
40°
3
77°
37°
4
81°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Petaluma
Petaluma's March 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for March is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how March weather will actually feel in Petaluma. See also: April | May | June.
