S
M
T
W
T
F
S
26
88°
73°
27
91°
73°
28
91°
73°
29
91°
72°
30
88°
63°
31
90°
61°
1
88°
70°
2
82°
72°
3
88°
72°
4
86°
68°
5
88°
68°
6
84°
70°
7
88°
68°
8
90°
72°
9
91°
70°
10
91°
70°
11
91°
70°
12
91°
70°
13
95°
70°
14
95°
72°
15
95°
73°
16
95°
72°
17
97°
73°
18
93°
72°
19
95°
72°
20
95°
72°
21
86°
70°
22
86°
72°
23
90°
67°
24
90°
64°
25
88°
63°
26
88°
64°
27
87°
71°
28
88°
68°
29
86°
66°
30
88°
71°
31
91°
68°
1
94°
71°
2
97°
70°
3
97°
73°
4
97°
72°
5
97°
72°
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.
