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
48°
32°
3
61°
32°
4
76°
48°
5
67°
46°
6
57°
41°
7
59°
38°
8
55°
43°
9
73°
50°
10
64°
49°
11
65°
39°
12
69°
41°
13
59°
44°
14
64°
42°
15
67°
53°
16
76°
62°
17
79°
63°
18
84°
67°
19
76°
58°
20
66°
48°
21
65°
50°
22
69°
49°
23
70°
51°
24
71°
54°
25
74°
56°
26
78°
53°
27
73°
59°
28
76°
60°
29
77°
59°
30
76°
55°
31
69°
53°
1
70°
51°
2
70°
51°
3
71°
52°
4
71°
56°
5
78°
61°
6
81°
63°
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 59° to 84°, with overnight lows between 42° and 67°. The average high for May is 72° with an average low of 55°. 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.
