S
M
T
W
T
F
S
27
N/A
28
94°
76°
29
91°
73°
30
92°
72°
1
90°
78°
2
89°
76°
3
87°
76°
4
82°
77°
5
81°
75°
6
83°
74°
7
87°
71°
8
83°
72°
9
82°
70°
10
80°
64°
11
89°
61°
12
90°
65°
13
92°
64°
14
90°
70°
15
89°
65°
16
89°
65°
17
71°
54°
18
71°
52°
19
74°
55°
20
79°
54°
21
79°
54°
22
83°
56°
23
83°
56°
24
79°
60°
25
77°
61°
26
77°
62°
27
78°
62°
28
81°
62°
29
82°
66°
30
81°
67°
31
80°
53°
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 77° to 82°, with overnight lows between 53° and 67°. The average high for October is 79° with an average low of 62°. 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.
