S
M
T
W
T
F
S
28
81°
64°
29
91°
71°
30
91°
77°
1
92°
76°
2
93°
72°
3
94°
69°
4
85°
69°
5
82°
69°
6
80°
67°
7
83°
61°
8
84°
63°
9
85°
68°
10
85°
67°
11
82°
67°
12
84°
63°
13
87°
60°
14
89°
65°
15
90°
67°
16
93°
67°
17
85°
70°
18
89°
62°
19
84°
62°
20
86°
64°
21
83°
59°
22
80°
58°
23
78°
62°
24
82°
61°
25
81°
62°
26
81°
61°
27
82°
62°
28
80°
61°
29
79°
59°
30
78°
59°
31
81°
65°
1
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Union
Union's July 2026 forecast shows daily high temperatures ranging from 78° to 93°, with overnight lows between 58° and 70°. The average high for July is 83° with an average low of 62°. 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 Union. See also: August | September | October.
