S
M
T
W
T
F
S
27
77°
59°
28
76°
56°
29
75°
53°
30
70°
53°
1
69°
54°
2
74°
56°
3
67°
47°
4
65°
49°
5
64°
46°
6
62°
47°
7
Hist. Avg.
68°
50°
8
Hist. Avg.
67°
50°
9
Hist. Avg.
67°
49°
10
Hist. Avg.
66°
49°
11
Hist. Avg.
66°
48°
12
Hist. Avg.
65°
48°
13
Hist. Avg.
65°
48°
14
Hist. Avg.
64°
47°
15
Hist. Avg.
64°
47°
16
Hist. Avg.
63°
46°
17
Hist. Avg.
63°
46°
18
Hist. Avg.
62°
46°
19
Hist. Avg.
62°
45°
20
Hist. Avg.
62°
45°
21
Hist. Avg.
61°
44°
22
Hist. Avg.
61°
44°
23
Hist. Avg.
60°
44°
24
Hist. Avg.
60°
43°
25
Hist. Avg.
59°
43°
26
Hist. Avg.
59°
43°
27
Hist. Avg.
58°
42°
28
Hist. Avg.
58°
42°
29
Hist. Avg.
57°
42°
30
Hist. Avg.
57°
41°
31
Hist. Avg.
56°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Blue Island
Blue Island's October 2026 forecast shows daily high temperatures ranging from 62° to 77°, with overnight lows between 46° and 59°. The average high for October is 70° with an average low of 52°. 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 Blue Island. See also: November | December | January.
