S
M
T
W
T
F
S
27
83°
70°
28
84°
70°
29
84°
69°
30
83°
70°
1
83°
70°
2
84°
69°
3
86°
69°
4
84°
68°
5
84°
68°
6
85°
67°
7
84°
67°
8
84°
62°
9
77°
59°
10
77°
62°
11
81°
66°
12
82°
66°
13
79°
65°
14
82°
65°
15
82°
64°
16
81°
65°
17
82°
65°
18
82°
64°
19
81°
64°
20
81°
63°
21
80°
62°
22
75°
56°
23
72°
54°
24
72°
58°
25
75°
61°
26
72°
51°
27
71°
59°
28
73°
60°
29
75°
59°
30
78°
60°
31
79°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Slidell
Slidell's October 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 51° and 70°. The average high for October is 80° with an average low of 64°. 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 Slidell. See also: November | December | January.
