S
M
T
W
T
F
S
31
79°
63°
1
86°
65°
2
83°
57°
3
83°
60°
4
87°
68°
5
82°
66°
6
85°
63°
7
87°
67°
8
86°
66°
9
86°
65°
10
89°
66°
11
87°
64°
12
83°
63°
13
82°
61°
14
81°
62°
15
82°
61°
16
75°
57°
17
76°
57°
18
76°
61°
19
77°
60°
20
78°
65°
21
78°
66°
22
79°
66°
23
81°
63°
24
82°
63°
25
82°
68°
26
86°
67°
27
81°
65°
28
80°
63°
29
79°
61°
30
80°
64°
1
81°
68°
2
82°
68°
3
82°
67°
4
80°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Buchanan
Buchanan's June 2026 forecast shows daily high temperatures ranging from 75° to 89°, with overnight lows between 57° and 68°. The average high for June is 82° with an average low of 64°. 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 Buchanan. See also: July | August | September.