S
M
T
W
T
F
S
28
86°
67°
29
87°
66°
30
86°
67°
1
85°
67°
2
85°
63°
3
78°
61°
4
79°
60°
5
80°
66°
6
84°
68°
7
82°
68°
8
83°
67°
9
86°
67°
10
81°
63°
11
81°
65°
12
82°
68°
13
86°
67°
14
88°
61°
15
81°
67°
16
84°
66°
17
82°
63°
18
81°
61°
19
80°
60°
20
81°
61°
21
82°
68°
22
83°
61°
23
82°
61°
24
80°
62°
25
80°
66°
26
81°
68°
27
80°
67°
28
85°
62°
29
81°
59°
30
79°
58°
31
79°
58°
1
80°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Olympia Fields
Olympia Fields's July 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 58° and 68°. The average high for July is 82° with an average low of 64°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Olympia Fields. See also: August | September | October.
