S
M
T
W
T
F
S
27
82°
48°
28
81°
50°
29
84°
51°
30
86°
58°
1
86°
61°
2
87°
66°
3
85°
68°
4
72°
67°
5
80°
59°
6
78°
54°
7
80°
52°
8
84°
57°
9
80°
59°
10
68°
60°
11
66°
61°
12
72°
60°
13
77°
61°
14
73°
55°
15
72°
55°
16
74°
52°
17
67°
49°
18
71°
50°
19
68°
53°
20
68°
52°
21
67°
53°
22
68°
51°
23
68°
48°
24
70°
44°
25
63°
41°
26
64°
45°
27
65°
40°
28
62°
40°
29
64°
43°
30
68°
50°
31
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Alpharetta
Alpharetta's October 2026 forecast shows daily high temperatures ranging from 62° to 84°, with overnight lows between 40° and 67°. The average high for October is 71° with an average low of 52°. 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 Alpharetta. See also: November | December | January.
