S
M
T
W
T
F
S
27
103°
79°
28
100°
80°
29
98°
80°
30
99°
81°
1
95°
76°
2
85°
76°
3
88°
74°
4
90°
74°
5
89°
75°
6
90°
76°
7
88°
70°
8
89°
69°
9
87°
68°
10
92°
70°
11
93°
74°
12
88°
73°
13
86°
72°
14
86°
71°
15
85°
67°
16
85°
69°
17
86°
72°
18
85°
72°
19
87°
71°
20
87°
70°
21
88°
71°
22
87°
68°
23
86°
71°
24
85°
70°
25
86°
71°
26
88°
70°
27
89°
69°
28
89°
70°
29
87°
69°
30
88°
69°
31
88°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Mcallen-Pharr
Mcallen-Pharr's October 2026 forecast shows daily high temperatures ranging from 85° to 100°, with overnight lows between 67° and 81°. The average high for October is 89° with an average low of 72°. 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 Mcallen-Pharr. See also: November | December | January.