S
M
T
W
T
F
S
31
83°
51°
1
75°
58°
2
78°
54°
3
82°
53°
4
78°
58°
5
83°
53°
6
77°
54°
7
75°
53°
8
80°
54°
9
83°
59°
10
82°
62°
11
76°
62°
12
78°
60°
13
82°
60°
14
84°
59°
15
86°
56°
16
80°
56°
17
83°
61°
18
86°
65°
19
88°
57°
20
84°
56°
21
79°
57°
22
79°
61°
23
84°
66°
24
86°
64°
25
87°
63°
26
84°
59°
27
85°
57°
28
81°
58°
29
82°
59°
30
85°
63°
1
89°
61°
2
90°
67°
3
87°
68°
4
86°
68°
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 75° to 90°, with overnight lows between 51° and 68°. The average high for June is 82° with an average low of 59°. 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.