S
M
T
W
T
F
S
27
78°
57°
28
77°
54°
29
80°
60°
30
84°
62°
1
88°
63°
2
90°
68°
3
83°
64°
4
74°
60°
5
70°
49°
6
68°
52°
7
75°
51°
8
72°
50°
9
73°
50°
10
73°
49°
11
70°
47°
12
75°
49°
13
76°
50°
14
68°
45°
15
66°
46°
16
67°
51°
17
70°
53°
18
69°
52°
19
70°
52°
20
74°
51°
21
75°
51°
22
72°
44°
23
63°
42°
24
63°
42°
25
65°
46°
26
71°
49°
27
72°
43°
28
62°
43°
29
64°
48°
30
72°
49°
31
72°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Union
Union's October 2026 forecast shows daily high temperatures ranging from 62° to 90°, with overnight lows between 42° and 68°. The average high for October is 72° with an average low of 51°. 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.
