S
M
T
W
T
F
S
26
82°
60°
27
84°
65°
28
83°
67°
29
81°
60°
30
86°
56°
31
86°
62°
1
77°
70°
2
76°
64°
3
80°
61°
4
82°
54°
5
85°
58°
6
87°
65°
7
85°
69°
8
88°
68°
9
85°
59°
10
86°
68°
11
77°
67°
12
82°
67°
13
81°
69°
14
82°
62°
15
79°
68°
16
84°
66°
17
78°
61°
18
79°
61°
19
81°
59°
20
80°
61°
21
80°
63°
22
81°
61°
23
80°
60°
24
79°
58°
25
77°
60°
26
81°
63°
27
81°
64°
28
83°
62°
29
77°
59°
30
75°
57°
31
75°
59°
1
76°
62°
2
77°
62°
3
82°
63°
4
82°
62°
5
80°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fostoria
Fostoria's August 2026 forecast shows daily high temperatures ranging from 75° to 84°, with overnight lows between 57° and 69°. The average high for August is 80° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Fostoria. See also: September | October | November.
