S
M
T
W
T
F
S
26
66°
39°
27
68°
45°
28
63°
50°
29
54°
43°
30
54°
39°
1
48°
36°
2
50°
34°
3
64°
34°
4
79°
48°
5
66°
48°
6
54°
39°
7
55°
34°
8
64°
34°
9
70°
37°
10
59°
37°
11
57°
36°
12
61°
30°
13
46°
43°
14
64°
37°
15
65°
52°
16
76°
51°
17
79°
57°
18
85°
63°
19
77°
47°
20
61°
40°
21
63°
45°
22
65°
43°
23
66°
46°
24
66°
47°
25
71°
51°
26
73°
47°
27
67°
52°
28
72°
53°
29
74°
53°
30
74°
50°
31
66°
46°
1
67°
44°
2
66°
44°
3
68°
47°
4
69°
54°
5
77°
56°
6
80°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fostoria
Fostoria's May 2026 forecast shows daily high temperatures ranging from 46° to 85°, with overnight lows between 37° and 63°. The average high for May is 69° with an average low of 49°. 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 Fostoria. See also: June | July | August.
