S
M
T
W
T
F
S
26
59°
42°
27
73°
38°
28
72°
51°
29
63°
46°
30
51°
36°
1
52°
34°
2
48°
30°
3
55°
44°
4
66°
56°
5
72°
54°
6
59°
43°
7
53°
35°
8
52°
40°
9
61°
43°
10
65°
43°
11
63°
47°
12
66°
49°
13
66°
48°
14
65°
45°
15
69°
48°
16
65°
46°
17
66°
48°
18
70°
52°
19
70°
52°
20
73°
51°
21
76°
53°
22
75°
53°
23
75°
52°
24
73°
49°
25
68°
46°
26
72°
54°
27
74°
55°
28
75°
54°
29
74°
54°
30
70°
51°
31
73°
52°
1
70°
51°
2
70°
51°
3
71°
47°
4
70°
47°
5
70°
48°
6
71°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Worthington
Worthington's May 2026 forecast shows daily high temperatures ranging from 48° to 76°, with overnight lows between 30° and 56°. The average high for May is 67° with an average low of 48°. 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 Worthington. See also: June | July | August.