S
M
T
W
T
F
S
27
75°
38°
28
67°
36°
29
64°
45°
30
65°
49°
1
71°
47°
2
74°
35°
3
73°
32°
4
62°
31°
5
60°
30°
6
59°
31°
7
62°
33°
8
62°
39°
9
62°
44°
10
Hist. Avg.
66°
37°
11
Hist. Avg.
65°
37°
12
Hist. Avg.
64°
36°
13
Hist. Avg.
64°
36°
14
Hist. Avg.
63°
36°
15
Hist. Avg.
63°
36°
16
Hist. Avg.
62°
35°
17
Hist. Avg.
62°
35°
18
Hist. Avg.
61°
35°
19
Hist. Avg.
61°
35°
20
Hist. Avg.
60°
34°
21
Hist. Avg.
60°
34°
22
Hist. Avg.
59°
34°
23
Hist. Avg.
59°
34°
24
Hist. Avg.
58°
34°
25
Hist. Avg.
58°
33°
26
Hist. Avg.
57°
33°
27
Hist. Avg.
57°
33°
28
Hist. Avg.
56°
33°
29
Hist. Avg.
56°
33°
30
Hist. Avg.
55°
32°
31
Hist. Avg.
55°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Union
Union's October 2026 forecast shows daily high temperatures ranging from 59° to 75°, with overnight lows between 30° and 49°. The average high for October is 66° with an average low of 38°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Union. See also: November | December | January.
