S
M
T
W
T
F
S
26
59°
34°
27
70°
34°
28
61°
48°
29
55°
45°
30
48°
34°
1
50°
28°
2
46°
36°
3
54°
34°
4
70°
41°
5
72°
46°
6
46°
41°
7
52°
32°
8
52°
36°
9
55°
36°
10
59°
34°
11
54°
30°
12
59°
28°
13
63°
43°
14
48°
43°
15
63°
39°
16
77°
36°
17
81°
48°
18
88°
54°
19
86°
62°
20
69°
40°
21
59°
36°
22
65°
48°
23
54°
49°
24
59°
49°
25
64°
55°
26
72°
53°
27
71°
52°
28
72°
54°
29
72°
53°
30
75°
55°
31
77°
58°
1
72°
50°
2
68°
54°
3
67°
54°
4
70°
55°
5
68°
54°
6
70°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Baltimore
Baltimore's May 2026 forecast shows daily high temperatures ranging from 54° to 86°, with overnight lows between 36° and 62°. The average high for May is 69° with an average low of 52°. 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 Baltimore. See also: June | July | August.
