S
M
T
W
T
F
S
26
65°
48°
27
65°
46°
28
64°
46°
29
62°
45°
30
64°
46°
1
64°
45°
2
65°
44°
3
64°
44°
4
63°
43°
5
63°
43°
6
64°
42°
7
66°
48°
8
75°
49°
9
69°
51°
10
66°
46°
11
67°
45°
12
65°
44°
13
64°
46°
14
66°
45°
15
67°
46°
16
68°
47°
17
68°
52°
18
75°
50°
19
69°
47°
20
69°
48°
21
70°
54°
22
69°
55°
23
71°
57°
24
79°
58°
25
80°
58°
26
80°
59°
27
81°
60°
28
81°
58°
29
83°
58°
30
83°
58°
31
82°
55°
1
75°
52°
2
73°
56°
3
76°
60°
4
76°
60°
5
77°
59°
6
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ellicott City
Ellicott City's May 2026 forecast shows daily high temperatures ranging from 62° to 83°, with overnight lows between 42° and 60°. The average high for May is 71° with an average low of 51°. 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 Ellicott City. See also: June | July | August.
