S
M
T
W
T
F
S
27
65°
49°
28
63°
53°
29
62°
49°
30
66°
49°
1
64°
50°
2
60°
42°
3
61°
50°
4
63°
48°
5
62°
47°
6
59°
49°
7
68°
38°
8
65°
46°
9
65°
46°
10
Hist. Avg.
65°
44°
11
Hist. Avg.
64°
44°
12
Hist. Avg.
64°
43°
13
Hist. Avg.
63°
43°
14
Hist. Avg.
63°
43°
15
Hist. Avg.
62°
42°
16
Hist. Avg.
62°
42°
17
Hist. Avg.
61°
42°
18
Hist. Avg.
61°
41°
19
Hist. Avg.
60°
41°
20
Hist. Avg.
60°
40°
21
Hist. Avg.
59°
40°
22
Hist. Avg.
59°
40°
23
Hist. Avg.
58°
39°
24
Hist. Avg.
58°
39°
25
Hist. Avg.
57°
38°
26
Hist. Avg.
57°
38°
27
Hist. Avg.
56°
38°
28
Hist. Avg.
56°
37°
29
Hist. Avg.
55°
37°
30
Hist. Avg.
54°
36°
31
Hist. Avg.
54°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Brownsville
Brownsville's October 2026 forecast shows daily high temperatures ranging from 59° to 68°, with overnight lows between 38° and 53°. The average high for October is 63° with an average low of 47°. 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.