S
M
T
W
T
F
S
28
85°
58°
29
86°
54°
30
88°
57°
1
94°
67°
2
95°
69°
3
93°
69°
4
87°
68°
5
83°
61°
6
77°
65°
7
68°
60°
8
85°
57°
9
90°
59°
10
84°
62°
11
86°
58°
12
87°
59°
13
89°
63°
14
97°
74°
15
93°
61°
16
88°
59°
17
88°
61°
18
84°
61°
19
83°
65°
20
83°
61°
21
82°
60°
22
84°
61°
23
83°
63°
24
86°
61°
25
83°
60°
26
83°
63°
27
80°
58°
28
80°
63°
29
81°
59°
30
78°
58°
31
78°
62°
1
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Deerfield
Deerfield's July 2026 forecast shows daily high temperatures ranging from 78° to 97°, with overnight lows between 58° and 74°. The average high for July is 84° with an average low of 61°. 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 Deerfield. See also: August | September | October.