S
M
T
W
T
F
S
31
86°
74°
1
89°
73°
2
93°
76°
3
79°
71°
4
82°
70°
5
84°
70°
6
86°
70°
7
87°
72°
8
89°
72°
9
87°
75°
10
89°
72°
11
92°
73°
12
93°
75°
13
95°
76°
14
93°
75°
15
94°
76°
16
93°
74°
17
86°
76°
18
90°
74°
19
92°
76°
20
95°
75°
21
94°
77°
22
95°
75°
23
94°
76°
24
92°
76°
25
90°
75°
26
92°
77°
27
93°
76°
28
91°
76°
29
87°
75°
30
87°
76°
1
88°
76°
2
88°
75°
3
89°
76°
4
88°
76°
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 86° to 95°, with overnight lows between 72° and 77°. The average high for June is 91° with an average low of 75°. 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.