S
M
T
W
T
F
S
27
65°
35°
28
71°
38°
29
82°
41°
30
82°
32°
1
63°
28°
2
72°
49°
3
59°
47°
4
68°
46°
5
68°
50°
6
76°
56°
7
68°
49°
8
50°
44°
9
46°
43°
10
70°
44°
11
63°
38°
12
77°
43°
13
82°
46°
14
79°
51°
15
80°
60°
16
84°
56°
17
71°
55°
18
58°
45°
19
49°
44°
20
53°
43°
21
60°
47°
22
53°
45°
23
52°
44°
24
51°
44°
25
64°
45°
26
74°
47°
27
80°
51°
28
82°
51°
29
64°
57°
30
72°
57°
31
59°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lancaster
Lancaster's May 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Lancaster. See also: June | July | August.
