S
M
T
W
T
F
S
26
81°
61°
27
85°
67°
28
84°
66°
29
84°
70°
30
85°
63°
31
87°
61°
1
87°
65°
2
88°
69°
3
87°
73°
4
85°
71°
5
87°
73°
6
90°
73°
7
90°
72°
8
90°
73°
9
91°
72°
10
90°
72°
11
91°
69°
12
87°
65°
13
91°
66°
14
94°
72°
15
88°
72°
16
88°
68°
17
93°
72°
18
90°
71°
19
90°
70°
20
92°
72°
21
79°
71°
22
85°
69°
23
87°
63°
24
86°
59°
25
83°
63°
26
87°
61°
27
88°
64°
28
88°
70°
29
82°
69°
30
85°
67°
31
91°
66°
1
93°
71°
2
94°
72°
3
96°
69°
4
97°
69°
5
88°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Union
Union's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Union. See also: September | October | November.
