S
M
T
W
T
F
S
26
99°
72°
27
97°
68°
28
101°
66°
29
97°
68°
30
97°
66°
31
102°
61°
1
99°
69°
2
102°
73°
3
102°
64°
4
102°
63°
5
100°
60°
6
101°
62°
7
100°
62°
8
100°
72°
9
100°
64°
10
99°
63°
11
97°
67°
12
91°
64°
13
85°
61°
14
88°
66°
15
87°
60°
16
92°
56°
17
95°
60°
18
99°
64°
19
99°
61°
20
98°
68°
21
97°
64°
22
97°
66°
23
95°
67°
24
92°
60°
25
94°
61°
26
97°
62°
27
96°
65°
28
96°
67°
29
88°
67°
30
89°
64°
31
69°
59°
1
84°
53°
2
88°
55°
3
87°
55°
4
89°
61°
5
88°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Spencerville
Spencerville's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Spencerville. See also: September | October | November.