S
M
T
W
T
F
S
26
84°
69°
27
86°
63°
28
86°
64°
29
87°
67°
30
93°
64°
31
90°
67°
1
92°
64°
2
87°
64°
3
86°
65°
4
83°
61°
5
84°
62°
6
84°
62°
7
85°
63°
8
84°
65°
9
84°
64°
10
87°
66°
11
90°
68°
12
84°
69°
13
91°
66°
14
92°
60°
15
87°
61°
16
82°
66°
17
85°
67°
18
87°
63°
19
90°
63°
20
85°
67°
21
86°
64°
22
89°
64°
23
87°
65°
24
88°
66°
25
87°
64°
26
90°
64°
27
85°
65°
28
88°
64°
29
85°
65°
30
87°
65°
31
89°
64°
1
85°
63°
2
85°
63°
3
84°
56°
4
82°
55°
5
78°
55°
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 78° to 93°, with overnight lows between 55° and 69°. The average high for August is 86° with an average low of 64°. 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.
