S
M
T
W
T
F
S
28
69°
52°
29
70°
52°
30
70°
56°
1
69°
56°
2
69°
52°
3
70°
49°
4
69°
53°
5
70°
65°
6
71°
56°
7
70°
56°
8
73°
53°
9
71°
52°
10
71°
53°
11
71°
53°
12
70°
58°
13
72°
60°
14
72°
62°
15
86°
65°
16
73°
58°
17
71°
67°
18
70°
53°
19
70°
66°
20
71°
64°
21
85°
65°
22
73°
62°
23
70°
57°
24
71°
65°
25
72°
66°
26
72°
59°
27
73°
54°
28
72°
52°
29
72°
55°
30
70°
56°
31
72°
54°
1
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Arroyo Grande
Arroyo Grande's July 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for July 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 July weather will actually feel in Arroyo Grande. See also: August | September | October.
