S
M
T
W
T
F
S
27
85°
71°
28
86°
71°
29
87°
70°
30
83°
73°
1
84°
72°
2
86°
74°
3
86°
73°
4
85°
73°
5
86°
72°
6
86°
73°
7
85°
72°
8
86°
72°
9
85°
69°
10
82°
64°
11
78°
67°
12
79°
70°
13
80°
70°
14
82°
69°
15
83°
70°
16
83°
70°
17
84°
69°
18
84°
63°
19
76°
63°
20
77°
67°
21
79°
67°
22
82°
68°
23
82°
67°
24
83°
66°
25
82°
65°
26
81°
66°
27
82°
66°
28
80°
65°
29
78°
65°
30
75°
55°
31
76°
55°
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 75° to 87°, with overnight lows between 55° and 74°. The average high for October is 82° with an average low of 68°. 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.