S
M
T
W
T
F
S
27
59°
45°
28
59°
40°
29
56°
39°
30
57°
43°
1
56°
41°
2
58°
44°
3
57°
42°
4
56°
40°
5
55°
39°
6
55°
40°
7
56°
39°
8
55°
38°
9
54°
36°
10
55°
41°
11
56°
43°
12
55°
43°
13
54°
42°
14
54°
43°
15
57°
43°
16
56°
42°
17
57°
42°
18
56°
41°
19
55°
42°
20
57°
42°
21
56°
41°
22
56°
39°
23
56°
40°
24
56°
41°
25
54°
42°
26
56°
42°
27
56°
41°
28
55°
41°
29
56°
40°
30
56°
39°
31
54°
40°
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 54° to 59°, with overnight lows between 36° and 45°. The average high for October is 56° with an average low of 41°. 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.
