S
M
T
W
T
F
S
1
84°
59°
2
83°
56°
3
87°
60°
4
84°
64°
5
84°
60°
6
90°
59°
7
72°
55°
8
70°
52°
9
85°
59°
10
90°
59°
11
81°
54°
12
72°
38°
13
91°
40°
14
98°
50°
15
96°
53°
16
54°
39°
17
71°
34°
18
79°
42°
19
89°
50°
20
95°
52°
21
100°
55°
22
99°
59°
23
84°
62°
24
95°
56°
25
92°
58°
26
91°
62°
27
76°
53°
28
72°
53°
29
86°
51°
30
88°
61°
31
90°
61°
1
92°
62°
2
90°
66°
3
84°
70°
4
75°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in San Francisco
San Francisco'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 San Francisco. See also: April | May | June.