S
M
T
W
T
F
S
29
83°
38°
30
82°
47°
31
79°
50°
1
70°
53°
2
78°
40°
3
72°
43°
4
71°
32°
5
74°
35°
6
71°
46°
7
75°
49°
8
81°
39°
9
82°
44°
10
82°
51°
11
77°
48°
12
79°
43°
13
71°
57°
14
75°
49°
15
73°
42°
16
81°
46°
17
78°
39°
18
71°
41°
19
73°
46°
20
78°
48°
21
84°
50°
22
79°
53°
23
76°
46°
24
75°
48°
25
76°
48°
26
78°
49°
27
77°
48°
28
78°
46°
29
72°
42°
30
74°
45°
1
80°
46°
2
82°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in San Francisco
San Francisco's April 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 39° and 53°. The average high for April is 77° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in San Francisco. See also: May | June | July.
