S
M
T
W
T
F
S
26
60°
46°
27
70°
45°
28
60°
49°
29
62°
53°
30
70°
50°
1
67°
45°
2
62°
50°
3
64°
43°
4
78°
50°
5
87°
58°
6
74°
60°
7
66°
54°
8
74°
51°
9
73°
56°
10
83°
54°
11
65°
53°
12
68°
49°
13
74°
53°
14
63°
48°
15
72°
53°
16
82°
63°
17
88°
66°
18
88°
70°
19
92°
70°
20
83°
65°
21
74°
63°
22
77°
61°
23
76°
62°
24
75°
60°
25
77°
62°
26
79°
61°
27
80°
66°
28
82°
65°
29
75°
66°
30
80°
66°
31
79°
63°
1
75°
61°
2
76°
60°
3
75°
60°
4
76°
61°
5
79°
68°
6
85°
69°
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 63° to 92°, with overnight lows between 48° and 70°. The average high for May is 78° with an average low of 62°. 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.
