S
M
T
W
T
F
S
26
85°
67°
27
81°
59°
28
78°
61°
29
82°
65°
30
81°
61°
31
81°
64°
1
83°
64°
2
82°
58°
3
80°
60°
4
79°
58°
5
80°
61°
6
80°
61°
7
81°
59°
8
80°
59°
9
84°
63°
10
85°
64°
11
82°
64°
12
85°
65°
13
85°
64°
14
84°
65°
15
85°
59°
16
85°
57°
17
79°
58°
18
79°
62°
19
78°
57°
20
78°
55°
21
77°
57°
22
79°
58°
23
84°
61°
24
85°
63°
25
84°
58°
26
84°
55°
27
78°
54°
28
77°
54°
29
77°
58°
30
81°
62°
31
82°
62°
1
83°
60°
2
83°
55°
3
79°
60°
4
82°
60°
5
79°
59°
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 77° to 85°, with overnight lows between 54° and 67°. The average high for August is 81° with an average low of 60°. 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.
