S
M
T
W
T
F
S
31
80°
48°
1
78°
53°
2
78°
50°
3
82°
52°
4
84°
58°
5
87°
61°
6
87°
65°
7
85°
64°
8
83°
66°
9
82°
67°
10
85°
66°
11
85°
65°
12
86°
64°
13
84°
62°
14
82°
60°
15
78°
63°
16
77°
62°
17
77°
62°
18
78°
61°
19
78°
61°
20
77°
63°
21
78°
65°
22
79°
65°
23
83°
64°
24
80°
63°
25
80°
65°
26
81°
66°
27
83°
65°
28
81°
66°
29
80°
60°
30
79°
61°
1
79°
59°
2
80°
63°
3
81°
67°
4
81°
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 77° to 87°, with overnight lows between 50° and 67°. The average high for June is 81° with an average low of 62°. 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.