S
M
T
W
T
F
S
31
76°
43°
1
78°
47°
2
76°
49°
3
82°
46°
4
87°
51°
5
74°
55°
6
89°
60°
7
89°
65°
8
76°
60°
9
82°
62°
10
87°
67°
11
94°
70°
12
95°
69°
13
88°
66°
14
89°
63°
15
77°
64°
16
79°
59°
17
86°
67°
18
88°
69°
19
84°
61°
20
82°
58°
21
83°
61°
22
80°
58°
23
82°
57°
24
83°
59°
25
85°
60°
26
82°
59°
27
85°
62°
28
85°
65°
29
86°
61°
30
79°
59°
1
80°
58°
2
81°
59°
3
82°
65°
4
86°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Jefferson
Jefferson's June 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 57° and 69°. The average high for June is 83° with an average low of 61°. 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 Jefferson. See also: July | August | September.