S
M
T
W
T
F
S
26
81°
59°
27
84°
60°
28
88°
67°
29
93°
60°
30
92°
59°
31
86°
58°
1
84°
59°
2
84°
56°
3
82°
55°
4
83°
59°
5
84°
61°
6
86°
64°
7
89°
64°
8
91°
57°
9
89°
65°
10
90°
60°
11
91°
67°
12
94°
57°
13
92°
59°
14
88°
66°
15
91°
63°
16
92°
56°
17
83°
55°
18
82°
55°
19
81°
56°
20
85°
54°
21
87°
53°
22
80°
54°
23
81°
56°
24
86°
60°
25
82°
61°
26
89°
59°
27
82°
60°
28
83°
57°
29
83°
56°
30
86°
54°
31
79°
52°
1
77°
51°
2
77°
49°
3
78°
52°
4
78°
59°
5
79°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Spencer
Spencer's August 2026 forecast shows daily high temperatures ranging from 77° to 94°, with overnight lows between 49° and 67°. The average high for August is 85° with an average low of 58°. 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 Spencer. See also: September | October | November.