S
M
T
W
T
F
S
27
84°
58°
28
83°
59°
29
84°
59°
30
84°
58°
1
83°
58°
2
83°
56°
3
82°
50°
4
75°
49°
5
73°
48°
6
74°
50°
7
76°
55°
8
77°
56°
9
73°
55°
10
80°
54°
11
72°
48°
12
71°
53°
13
76°
54°
14
Hist. Avg.
77°
53°
15
Hist. Avg.
77°
53°
16
Hist. Avg.
77°
52°
17
Hist. Avg.
76°
52°
18
Hist. Avg.
76°
51°
19
Hist. Avg.
75°
51°
20
Hist. Avg.
75°
51°
21
Hist. Avg.
75°
50°
22
Hist. Avg.
74°
50°
23
Hist. Avg.
74°
49°
24
Hist. Avg.
73°
49°
25
Hist. Avg.
73°
49°
26
Hist. Avg.
72°
48°
27
Hist. Avg.
72°
48°
28
Hist. Avg.
72°
48°
29
Hist. Avg.
71°
47°
30
Hist. Avg.
71°
47°
31
Hist. Avg.
70°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Marietta
Marietta's October 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 48° and 59°. The average high for October is 78° 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 October weather will actually feel in Marietta. See also: November | December | January.
