S
M
T
W
T
F
S
29
84°
55°
30
73°
59°
31
67°
59°
1
62°
53°
2
63°
48°
3
74°
46°
4
80°
51°
5
81°
53°
6
62°
51°
7
64°
53°
8
72°
54°
9
71°
54°
10
66°
57°
11
62°
51°
12
59°
52°
13
63°
50°
14
61°
53°
15
62°
50°
16
67°
50°
17
70°
53°
18
72°
48°
19
73°
52°
20
66°
54°
21
63°
52°
22
65°
51°
23
68°
52°
24
63°
53°
25
59°
53°
26
62°
55°
27
63°
52°
28
66°
52°
29
66°
52°
30
66°
52°
1
63°
54°
2
61°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in South San Francisco
South San Francisco's April 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for April 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 April weather will actually feel in South San Francisco. See also: May | June | July.
