S
M
T
W
T
F
S
29
82°
68°
30
81°
64°
31
82°
64°
1
80°
65°
2
84°
65°
3
86°
66°
4
82°
66°
5
81°
66°
6
83°
65°
7
82°
66°
8
79°
68°
9
79°
66°
10
82°
65°
11
80°
64°
12
86°
66°
13
77°
64°
14
84°
64°
15
73°
64°
16
80°
64°
17
77°
63°
18
81°
66°
19
73°
64°
20
82°
61°
21
73°
56°
22
73°
58°
23
71°
58°
24
70°
58°
25
71°
56°
26
74°
57°
27
72°
54°
28
74°
50°
29
74°
49°
30
75°
50°
1
77°
49°
2
74°
51°
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 70° to 77°, with overnight lows between 49° and 58°. The average high for April is 73° with an average low of 54°. 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.
