S
M
T
W
T
F
S
29
77°
45°
30
90°
56°
31
76°
50°
1
53°
46°
2
73°
41°
3
76°
41°
4
52°
36°
5
62°
32°
6
62°
36°
7
62°
51°
8
75°
53°
9
73°
51°
10
64°
52°
11
72°
61°
12
71°
62°
13
78°
56°
14
68°
47°
15
69°
49°
16
66°
43°
17
69°
46°
18
71°
49°
19
66°
43°
20
71°
51°
21
70°
51°
22
71°
47°
23
60°
47°
24
69°
42°
25
64°
52°
26
73°
51°
27
72°
51°
28
73°
52°
29
70°
52°
30
65°
50°
1
66°
52°
2
70°
50°
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 60° to 78°, with overnight lows between 36° and 62°. The average high for April is 69° with an average low of 50°. 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.