S
M
T
W
T
F
S
27
81°
58°
28
79°
55°
29
80°
56°
30
81°
52°
1
77°
56°
2
78°
57°
3
76°
48°
4
79°
49°
5
71°
55°
6
72°
54°
7
75°
54°
8
72°
53°
9
77°
52°
10
77°
53°
11
78°
54°
12
77°
52°
13
78°
48°
14
76°
51°
15
69°
45°
16
69°
46°
17
67°
50°
18
68°
50°
19
68°
51°
20
69°
51°
21
73°
49°
22
74°
50°
23
75°
50°
24
74°
49°
25
73°
48°
26
70°
47°
27
66°
42°
28
65°
47°
29
64°
39°
30
63°
40°
31
Hist. Avg.
70°
43°
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 63° to 81°, with overnight lows between 39° and 58°. The average high for October is 73° with an average low of 50°. 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.
