S
M
T
W
T
F
S
29
70°
30°
30
73°
55°
31
81°
55°
1
79°
63°
2
81°
63°
3
82°
61°
4
82°
59°
5
61°
39°
6
66°
32°
7
65°
37°
8
73°
45°
9
74°
44°
10
78°
48°
11
79°
55°
12
84°
62°
13
79°
64°
14
83°
62°
15
79°
53°
16
75°
57°
17
79°
60°
18
77°
59°
19
78°
60°
20
72°
47°
21
76°
55°
22
76°
55°
23
75°
53°
24
76°
54°
25
76°
53°
26
75°
55°
27
77°
54°
28
71°
52°
29
74°
51°
30
69°
55°
1
69°
55°
2
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Lancaster
Lancaster's April 2026 forecast shows daily high temperatures ranging from 65° to 84°, with overnight lows between 37° and 64°. The average high for April is 75° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Lancaster. See also: May | June | July.