S
M
T
W
T
F
S
31
80°
50°
1
80°
51°
2
79°
51°
3
79°
50°
4
75°
49°
5
72°
48°
6
72°
47°
7
71°
43°
8
71°
43°
9
72°
45°
10
75°
46°
11
74°
46°
12
75°
49°
13
82°
52°
14
83°
51°
15
81°
50°
16
79°
49°
17
76°
46°
18
77°
48°
19
82°
51°
20
85°
51°
21
86°
50°
22
87°
48°
23
86°
46°
24
85°
47°
25
84°
46°
26
81°
48°
27
81°
49°
28
88°
52°
29
83°
46°
30
81°
48°
1
82°
48°
2
87°
49°
3
86°
50°
4
87°
55°
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 71° to 88°, with overnight lows between 43° and 55°. The average high for June is 80° with an average low of 49°. 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.