S
M
T
W
T
F
S
27
63°
56°
28
69°
55°
29
74°
54°
30
72°
55°
1
74°
55°
2
74°
56°
3
79°
62°
4
77°
59°
5
76°
60°
6
75°
61°
7
76°
61°
8
75°
63°
9
73°
62°
10
75°
62°
11
77°
64°
12
76°
62°
13
75°
62°
14
70°
55°
15
66°
56°
16
73°
59°
17
75°
60°
18
75°
60°
19
76°
59°
20
74°
59°
21
70°
58°
22
67°
58°
23
69°
57°
24
71°
58°
25
71°
58°
26
70°
57°
27
72°
58°
28
72°
57°
29
64°
54°
30
71°
56°
31
70°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Clarendon Heights
Clarendon Heights's October 2026 forecast shows daily high temperatures ranging from 64° to 79°, with overnight lows between 54° and 64°. The average high for October is 73° with an average low of 59°. 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 Clarendon Heights. See also: November | December | January.
