S
M
T
W
T
F
S
26
86°
65°
27
87°
71°
28
77°
66°
29
71°
59°
30
67°
53°
1
70°
52°
2
75°
47°
3
81°
45°
4
80°
50°
5
81°
66°
6
71°
53°
7
73°
48°
8
77°
50°
9
86°
62°
10
77°
62°
11
79°
52°
12
82°
48°
13
88°
51°
14
83°
58°
15
89°
59°
16
87°
72°
17
87°
71°
18
87°
77°
19
82°
65°
20
80°
62°
21
77°
65°
22
82°
67°
23
78°
66°
24
85°
63°
25
87°
63°
26
88°
68°
27
76°
67°
28
82°
66°
29
87°
67°
30
89°
70°
31
86°
64°
1
81°
62°
2
85°
63°
3
81°
62°
4
81°
60°
5
84°
64°
6
85°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in America
America's May 2026 forecast shows daily high temperatures ranging from 76° to 89°, with overnight lows between 60° and 70°. The average high for May is 84° with an average low of 65°. 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 America. See also: June | July | August.
