S
M
T
W
T
F
S
26
99°
73°
27
91°
70°
28
88°
68°
29
88°
64°
30
97°
70°
31
90°
64°
1
95°
69°
2
102°
72°
3
100°
61°
4
82°
59°
5
90°
65°
6
97°
69°
7
98°
68°
8
97°
69°
9
96°
68°
10
95°
66°
11
92°
66°
12
91°
65°
13
89°
65°
14
90°
61°
15
92°
64°
16
92°
64°
17
92°
62°
18
91°
63°
19
89°
61°
20
88°
61°
21
90°
60°
22
89°
59°
23
88°
60°
24
91°
63°
25
92°
58°
26
88°
59°
27
91°
62°
28
90°
61°
29
91°
62°
30
92°
63°
31
92°
62°
1
91°
61°
2
91°
61°
3
90°
60°
4
88°
60°
5
86°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Union Station
Union Station's August 2026 forecast shows daily high temperatures ranging from 82° to 102°, with overnight lows between 58° and 72°. The average high for August is 92° with an average low of 63°. 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 Station. See also: September | October | November.
