S
M
T
W
T
F
S
31
80°
62°
1
81°
60°
2
79°
60°
3
72°
55°
4
72°
56°
5
79°
61°
6
78°
62°
7
79°
58°
8
73°
54°
9
73°
56°
10
74°
54°
11
73°
55°
12
74°
55°
13
75°
62°
14
77°
63°
15
76°
63°
16
77°
58°
17
74°
56°
18
74°
55°
19
75°
56°
20
75°
58°
21
77°
65°
22
81°
65°
23
78°
64°
24
82°
66°
25
81°
65°
26
81°
66°
27
83°
68°
28
85°
66°
29
87°
65°
30
88°
60°
1
82°
59°
2
81°
57°
3
80°
59°
4
81°
60°
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 72° to 88°, with overnight lows between 54° and 68°. The average high for June is 78° with an average low of 60°. 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.