S
M
T
W
T
F
S
27
98°
70°
28
97°
71°
29
96°
73°
30
97°
75°
1
96°
75°
2
87°
75°
3
88°
75°
4
81°
74°
5
91°
71°
6
91°
71°
7
93°
68°
8
93°
67°
9
96°
61°
10
94°
69°
11
92°
69°
12
92°
72°
13
94°
74°
14
93°
74°
15
90°
71°
16
85°
57°
17
79°
59°
18
77°
60°
19
81°
60°
20
83°
62°
21
82°
58°
22
77°
58°
23
76°
54°
24
76°
53°
25
77°
53°
26
78°
54°
27
80°
55°
28
81°
57°
29
80°
60°
30
80°
60°
31
79°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Karnes City
Karnes City's October 2026 forecast shows daily high temperatures ranging from 76° to 96°, with overnight lows between 53° and 74°. The average high for October is 84° with an average low of 62°. 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 Karnes City. See also: November | December | January.