S
M
T
W
T
F
S
27
98°
79°
28
98°
77°
29
96°
80°
30
98°
85°
1
97°
82°
2
95°
79°
3
93°
78°
4
88°
76°
5
82°
76°
6
92°
77°
7
89°
75°
8
90°
69°
9
93°
70°
10
92°
75°
11
91°
77°
12
93°
79°
13
92°
79°
14
94°
77°
15
90°
77°
16
89°
72°
17
83°
69°
18
80°
67°
19
83°
69°
20
83°
70°
21
86°
67°
22
81°
68°
23
81°
64°
24
80°
63°
25
80°
62°
26
81°
62°
27
80°
63°
28
81°
62°
29
81°
67°
30
82°
69°
31
80°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Brownsville
Brownsville's October 2026 forecast shows daily high temperatures ranging from 80° to 94°, with overnight lows between 62° and 79°. The average high for October is 85° with an average low of 69°. 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 Brownsville. See also: November | December | January.