S
M
T
W
T
F
S
27
69°
49°
28
75°
48°
29
67°
60°
30
73°
57°
1
67°
36°
2
62°
42°
3
64°
42°
4
63°
34°
5
61°
46°
6
68°
52°
7
71°
44°
8
67°
48°
9
66°
51°
10
68°
47°
11
64°
46°
12
61°
43°
13
61°
44°
14
58°
37°
15
62°
44°
16
63°
44°
17
62°
43°
18
61°
42°
19
55°
41°
20
49°
37°
21
48°
34°
22
56°
40°
23
59°
40°
24
58°
39°
25
58°
35°
26
46°
35°
27
53°
39°
28
57°
37°
29
53°
38°
30
55°
38°
31
51°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Siren
Siren's October 2026 forecast shows daily high temperatures ranging from 46° to 71°, with overnight lows between 34° and 52°. The average high for October is 60° 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 Siren. See also: November | December | January.
