S
M
T
W
T
F
S
27
60°
50°
28
65°
47°
29
72°
48°
30
83°
52°
1
66°
51°
2
70°
51°
3
72°
50°
4
84°
58°
5
92°
50°
6
90°
50°
7
93°
52°
8
94°
52°
9
85°
45°
10
77°
39°
11
73°
41°
12
75°
40°
13
73°
42°
14
74°
41°
15
76°
42°
16
73°
40°
17
71°
39°
18
75°
43°
19
73°
43°
20
72°
42°
21
72°
42°
22
71°
41°
23
71°
42°
24
70°
41°
25
70°
42°
26
69°
40°
27
60°
35°
28
59°
34°
29
59°
37°
30
58°
34°
31
59°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in O'Brien
O'Brien's October 2026 forecast shows daily high temperatures ranging from 58° to 94°, with overnight lows between 34° and 58°. The average high for October is 74° with an average low of 42°. 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 O'Brien. See also: November | December | January.
