S
M
T
W
T
F
S
26
49°
38°
27
63°
42°
28
64°
45°
29
51°
41°
30
55°
41°
1
50°
39°
2
50°
38°
3
59°
38°
4
68°
47°
5
65°
46°
6
49°
41°
7
56°
40°
8
58°
41°
9
64°
45°
10
57°
43°
11
54°
44°
12
51°
40°
13
63°
46°
14
47°
43°
15
68°
43°
16
72°
53°
17
80°
52°
18
83°
47°
19
82°
54°
20
62°
44°
21
53°
43°
22
57°
47°
23
56°
51°
24
64°
53°
25
65°
53°
26
69°
56°
27
70°
55°
28
71°
55°
29
69°
56°
30
73°
59°
31
74°
57°
1
69°
52°
2
71°
58°
3
74°
58°
4
69°
57°
5
69°
56°
6
72°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Youngstown
Youngstown's May 2026 forecast shows daily high temperatures ranging from 53° to 82°, with overnight lows between 43° and 59°. The average high for May is 68° with an average low of 54°. 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 Youngstown. See also: June | July | August.