S
M
T
W
T
F
S
26
84°
57°
27
86°
61°
28
79°
66°
29
82°
64°
30
73°
63°
1
64°
54°
2
72°
46°
3
75°
41°
4
82°
45°
5
84°
48°
6
79°
64°
7
73°
61°
8
68°
59°
9
72°
61°
10
81°
63°
11
82°
63°
12
77°
63°
13
77°
56°
14
82°
54°
15
84°
48°
16
90°
54°
17
90°
63°
18
91°
63°
19
91°
70°
20
91°
70°
21
86°
70°
22
81°
70°
23
86°
66°
24
81°
70°
25
81°
70°
26
82°
72°
27
N/A
28
85°
70°
29
84°
71°
30
86°
70°
31
83°
69°
1
82°
63°
2
83°
64°
3
83°
65°
4
81°
64°
5
82°
65°
6
83°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Fostoria
Fostoria's May 2026 forecast shows daily high temperatures ranging from 81° to 86°, with overnight lows between 63° and 71°. The average high for May is 83° with an average low of 67°. 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.
