S
M
T
W
T
F
S
27
90°
69°
28
92°
69°
29
91°
71°
30
92°
73°
1
92°
72°
2
77°
73°
3
75°
70°
4
74°
67°
5
85°
65°
6
85°
62°
7
88°
65°
8
89°
68°
9
88°
66°
10
84°
67°
11
87°
65°
12
88°
67°
13
90°
76°
14
89°
73°
15
85°
68°
16
76°
53°
17
67°
47°
18
70°
46°
19
76°
50°
20
78°
52°
21
79°
55°
22
82°
57°
23
83°
59°
24
83°
58°
25
78°
56°
26
79°
55°
27
80°
61°
28
79°
63°
29
80°
63°
30
71°
62°
31
74°
64°
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 71° to 80°, with overnight lows between 61° and 64°. The average high for October is 77° with an average low of 63°. 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.