S
M
T
W
T
F
S
31
85°
73°
1
87°
71°
2
82°
68°
3
81°
64°
4
84°
56°
5
88°
62°
6
88°
66°
7
90°
70°
8
88°
74°
9
89°
74°
10
93°
68°
11
94°
73°
12
94°
76°
13
97°
75°
14
95°
74°
15
92°
73°
16
81°
72°
17
82°
72°
18
91°
72°
19
82°
72°
20
89°
71°
21
83°
71°
22
92°
72°
23
90°
76°
24
90°
68°
25
87°
71°
26
90°
71°
27
92°
75°
28
94°
73°
29
96°
73°
30
93°
71°
1
93°
71°
2
93°
70°
3
94°
71°
4
97°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Jacksonville
Jacksonville's June 2026 forecast shows daily high temperatures ranging from 93° to 97°, with overnight lows between 70° and 73°. The average high for June is 94° with an average low of 71°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Jacksonville. See also: July | August | September.