S
M
T
W
T
F
S
27
70°
43°
28
72°
45°
29
79°
46°
30
65°
60°
1
77°
61°
2
66°
46°
3
69°
43°
4
74°
46°
5
67°
42°
6
74°
47°
7
79°
50°
8
73°
45°
9
74°
49°
10
78°
57°
11
76°
53°
12
88°
56°
13
82°
65°
14
67°
59°
15
70°
57°
16
57°
46°
17
56°
39°
18
63°
38°
19
67°
35°
20
69°
37°
21
71°
37°
22
72°
41°
23
71°
40°
24
68°
47°
25
73°
44°
26
63°
46°
27
70°
48°
28
76°
51°
29
71°
42°
30
64°
49°
31
61°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Olympia Fields
Olympia Fields's October 2026 forecast shows daily high temperatures ranging from 61° to 64°, with overnight lows between 49° and 51°. The average high for October is 63° with an average low of 50°. 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 Olympia Fields. See also: November | December | January.
