S
M
T
W
T
F
S
31
89°
51°
1
91°
54°
2
93°
59°
3
97°
59°
4
97°
59°
5
96°
64°
6
90°
64°
7
87°
57°
8
86°
59°
9
90°
63°
10
99°
58°
11
98°
66°
12
100°
70°
13
96°
71°
14
94°
72°
15
99°
70°
16
100°
74°
17
96°
66°
18
93°
65°
19
87°
61°
20
89°
63°
21
90°
64°
22
97°
67°
23
99°
69°
24
100°
71°
25
103°
69°
26
103°
70°
27
102°
69°
28
95°
64°
29
98°
69°
30
97°
68°
1
97°
66°
2
95°
66°
3
97°
69°
4
98°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Lancaster
Lancaster's June 2026 forecast shows daily high temperatures ranging from 87° to 103°, with overnight lows between 61° and 74°. The average high for June is 97° with an average low of 68°. 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 Lancaster. See also: July | August | September.