S
M
T
W
T
F
S
26
57°
46°
27
74°
44°
28
65°
49°
29
57°
47°
30
56°
42°
1
51°
37°
2
49°
34°
3
60°
46°
4
74°
58°
5
67°
45°
6
53°
43°
7
50°
37°
8
58°
43°
9
61°
47°
10
66°
48°
11
65°
48°
12
64°
49°
13
66°
53°
14
71°
54°
15
68°
52°
16
76°
58°
17
77°
57°
18
73°
57°
19
73°
56°
20
75°
55°
21
76°
52°
22
69°
48°
23
67°
49°
24
69°
49°
25
69°
52°
26
70°
51°
27
70°
51°
28
71°
52°
29
72°
52°
30
71°
56°
31
76°
58°
1
72°
54°
2
74°
55°
3
76°
62°
4
78°
61°
5
79°
62°
6
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Findlay
Findlay's May 2026 forecast shows daily high temperatures ranging from 49° to 82°, with overnight lows between 34° and 64°. The average high for May is 69° with an average low of 52°. 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 Findlay. See also: June | July | August.