S
M
T
W
T
F
S
27
79°
58°
28
77°
57°
29
78°
57°
30
77°
54°
1
67°
53°
2
76°
54°
3
76°
55°
4
77°
56°
5
77°
55°
6
75°
55°
7
76°
52°
8
75°
50°
9
62°
52°
10
73°
45°
11
59°
39°
12
59°
38°
13
58°
40°
14
57°
38°
15
58°
44°
16
59°
36°
17
56°
35°
18
54°
34°
19
54°
34°
20
55°
41°
21
54°
42°
22
55°
46°
23
68°
39°
24
62°
40°
25
63°
35°
26
57°
29°
27
50°
36°
28
54°
39°
29
52°
32°
30
54°
31°
31
49°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Gretna
Gretna's October 2026 forecast shows daily high temperatures ranging from 49° to 79°, with overnight lows between 29° and 58°. The average high for October is 64° with an average low of 44°. 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 Gretna. See also: November | December | January.
