S
M
T
W
T
F
S
28
69°
63°
29
69°
59°
30
75°
54°
1
74°
56°
2
75°
53°
3
71°
52°
4
77°
50°
5
71°
51°
6
67°
51°
7
68°
55°
8
71°
54°
9
73°
52°
10
73°
50°
11
78°
54°
12
79°
51°
13
64°
44°
14
63°
47°
15
65°
45°
16
75°
47°
17
83°
54°
18
77°
50°
19
66°
42°
20
71°
47°
21
62°
48°
22
69°
54°
23
78°
51°
24
67°
48°
25
69°
52°
26
71°
52°
27
76°
51°
28
86°
57°
29
81°
54°
30
73°
54°
31
64°
50°
1
65°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Arroyo Grande
Arroyo Grande's October 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for October 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 October weather will actually feel in Arroyo Grande. See also: November | December | January.
