S
M
T
W
T
F
S
28
78°
57°
29
84°
52°
30
77°
51°
1
78°
56°
2
80°
60°
3
86°
60°
4
81°
59°
5
82°
60°
6
86°
52°
7
81°
51°
8
81°
54°
9
85°
59°
10
85°
53°
11
83°
60°
12
85°
57°
13
86°
51°
14
79°
53°
15
82°
55°
16
81°
52°
17
79°
60°
18
84°
58°
19
82°
53°
20
83°
56°
21
81°
59°
22
79°
60°
23
78°
60°
24
80°
61°
25
82°
61°
26
81°
60°
27
83°
60°
28
86°
59°
29
86°
57°
30
87°
61°
31
88°
61°
1
86°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Addison
Addison's July 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 51° and 61°. The average high for July is 82° with an average low of 57°. 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 Addison. See also: August | September | October.