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
73°
55°
7
65°
47°
8
66°
54°
9
69°
50°
10
78°
59°
11
65°
47°
12
68°
52°
13
72°
61°
14
77°
60°
15
78°
62°
16
74°
58°
17
71°
58°
18
75°
60°
19
79°
59°
20
72°
55°
21
71°
56°
22
69°
56°
23
71°
57°
24
72°
56°
25
73°
58°
26
76°
63°
27
76°
60°
28
77°
61°
29
78°
59°
30
80°
65°
31
83°
66°
1
78°
67°
2
83°
65°
3
83°
67°
4
84°
68°
5
84°
68°
6
85°
67°
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 65° to 85°, with overnight lows between 47° and 68°. The average high for May is 75° with an average low of 59°. 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.
