S
M
T
W
T
F
S
27
78°
58°
28
78°
58°
29
77°
57°
30
76°
56°
1
76°
55°
2
75°
56°
3
76°
55°
4
75°
54°
5
74°
53°
6
74°
53°
7
73°
52°
8
73°
53°
9
72°
53°
10
74°
52°
11
74°
51°
12
70°
47°
13
68°
47°
14
61°
46°
15
59°
48°
16
66°
52°
17
64°
43°
18
68°
39°
19
61°
37°
20
55°
36°
21
56°
39°
22
58°
39°
23
58°
38°
24
54°
43°
25
56°
37°
26
55°
34°
27
53°
32°
28
50°
33°
29
50°
33°
30
51°
34°
31
51°
29°
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 50° to 78°, with overnight lows between 29° and 58°. The average high for October is 65° with an average low of 46°. 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.
