S
M
T
W
T
F
S
27
89°
77°
28
88°
78°
29
89°
78°
30
90°
77°
1
88°
78°
2
89°
78°
3
88°
77°
4
88°
78°
5
89°
77°
6
89°
77°
7
88°
76°
8
88°
77°
9
89°
76°
10
88°
77°
11
87°
76°
12
87°
76°
13
88°
75°
14
87°
76°
15
87°
77°
16
88°
78°
17
88°
77°
18
87°
77°
19
88°
76°
20
87°
76°
21
88°
77°
22
87°
76°
23
88°
77°
24
87°
76°
25
88°
77°
26
87°
76°
27
87°
76°
28
87°
75°
29
86°
75°
30
87°
76°
31
Hist. Avg.
87°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Arenas
Arenas's October 2026 forecast shows daily high temperatures ranging from 86° to 90°, with overnight lows between 75° and 78°. The average high for October is 88° with an average low of 77°. 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 Arenas. See also: November | December | January.