S
M
T
W
T
F
S
27
74°
46°
28
74°
46°
29
75°
50°
30
78°
60°
1
85°
62°
2
75°
55°
3
67°
55°
4
67°
44°
5
66°
40°
6
69°
42°
7
70°
46°
8
67°
43°
9
66°
40°
10
67°
40°
11
68°
43°
12
69°
40°
13
64°
36°
14
58°
34°
15
59°
37°
16
64°
40°
17
68°
44°
18
68°
44°
19
67°
43°
20
64°
43°
21
68°
37°
22
56°
34°
23
55°
33°
24
59°
41°
25
67°
43°
26
67°
36°
27
55°
31°
28
54°
36°
29
65°
43°
30
60°
43°
31
65°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Jacksonville
Jacksonville's October 2026 forecast shows daily high temperatures ranging from 54° to 85°, with overnight lows between 31° and 62°. The average high for October is 66° with an average low of 42°. 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 Jacksonville. See also: November | December | January.