S
M
T
W
T
F
S
29
74°
48°
30
66°
48°
31
68°
54°
1
67°
51°
2
66°
51°
3
74°
52°
4
81°
49°
5
81°
54°
6
70°
52°
7
76°
51°
8
80°
47°
9
67°
52°
10
66°
52°
11
64°
53°
12
64°
46°
13
63°
44°
14
70°
44°
15
70°
44°
16
71°
47°
17
72°
45°
18
74°
48°
19
65°
46°
20
65°
53°
21
63°
51°
22
64°
48°
23
66°
51°
24
66°
50°
25
68°
51°
26
69°
50°
27
70°
51°
28
69°
50°
29
70°
51°
30
71°
50°
1
73°
51°
2
73°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Arroyo Grande
Arroyo Grande's April 2026 forecast shows daily high temperatures ranging from 63° to 74°, with overnight lows between 45° and 53°. The average high for April is 69° with an average low of 50°. 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 Arroyo Grande. See also: May | June | July.
