S
M
T
W
T
F
S
27
77°
48°
28
77°
45°
29
80°
48°
30
84°
51°
1
85°
51°
2
85°
50°
3
84°
51°
4
83°
50°
5
75°
45°
6
72°
41°
7
72°
42°
8
71°
41°
9
71°
40°
10
72°
41°
11
75°
43°
12
79°
48°
13
80°
49°
14
80°
49°
15
79°
47°
16
76°
46°
17
73°
48°
18
69°
47°
19
69°
45°
20
66°
47°
21
67°
44°
22
66°
40°
23
70°
40°
24
69°
42°
25
72°
41°
26
76°
40°
27
74°
43°
28
71°
44°
29
73°
44°
30
73°
43°
31
74°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Challenge-Brownsville
Challenge-Brownsville's October 2026 forecast shows daily high temperatures ranging from 66° to 85°, with overnight lows between 40° and 51°. The average high for October is 75° with an average low of 45°. 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 Challenge-Brownsville. See also: November | December | January.
