S
M
T
W
T
F
S
29
78°
57°
30
70°
60°
31
70°
65°
1
71°
62°
2
68°
61°
3
72°
56°
4
81°
52°
5
77°
53°
6
74°
60°
7
69°
60°
8
74°
59°
9
72°
62°
10
71°
63°
11
71°
61°
12
70°
58°
13
66°
58°
14
69°
55°
15
70°
54°
16
70°
57°
17
70°
59°
18
72°
55°
19
72°
58°
20
70°
58°
21
70°
56°
22
69°
59°
23
71°
51°
24
70°
58°
25
66°
56°
26
67°
52°
27
71°
53°
28
72°
56°
29
70°
54°
30
73°
53°
1
75°
54°
2
71°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in O'Farrell
O'Farrell's April 2026 forecast shows daily high temperatures ranging from 66° to 75°, with overnight lows between 51° and 58°. The average high for April is 71° 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 O'Farrell. See also: May | June | July.