S
M
T
W
T
F
S
28
80°
68°
29
89°
65°
30
91°
66°
1
98°
71°
2
99°
75°
3
101°
77°
4
99°
74°
5
87°
71°
6
80°
68°
7
80°
62°
8
82°
65°
9
89°
66°
10
87°
67°
11
89°
66°
12
88°
65°
13
87°
68°
14
88°
67°
15
89°
65°
16
82°
62°
17
85°
64°
18
85°
66°
19
89°
68°
20
87°
68°
21
83°
67°
22
84°
68°
23
86°
68°
24
85°
67°
25
86°
68°
26
88°
68°
27
88°
67°
28
87°
68°
29
88°
68°
30
89°
69°
31
89°
69°
1
88°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Lancaster
Lancaster's July 2026 forecast shows daily high temperatures ranging from 80° to 101°, with overnight lows between 62° and 77°. The average high for July is 87° with an average low of 67°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Lancaster. See also: August | September | October.
