S
M
T
W
T
F
S
31
83°
70°
1
87°
68°
2
82°
64°
3
81°
56°
4
84°
61°
5
85°
66°
6
87°
67°
7
87°
69°
8
85°
72°
9
88°
70°
10
86°
73°
11
90°
70°
12
91°
71°
13
88°
72°
14
90°
70°
15
87°
69°
16
91°
72°
17
88°
71°
18
91°
72°
19
91°
72°
20
92°
71°
21
92°
73°
22
91°
73°
23
92°
72°
24
92°
72°
25
90°
71°
26
92°
73°
27
92°
72°
28
90°
72°
29
88°
73°
30
89°
72°
1
89°
71°
2
91°
73°
3
90°
73°
4
90°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Lamar
Lamar's June 2026 forecast shows daily high temperatures ranging from 81° to 92°, with overnight lows between 56° and 73°. The average high for June is 89° with an average low of 70°. 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 Lamar. See also: July | August | September.