S
M
T
W
T
F
S
26
88°
64°
27
88°
64°
28
87°
63°
29
85°
63°
30
87°
62°
31
84°
63°
1
86°
63°
2
85°
60°
3
81°
62°
4
83°
61°
5
84°
62°
6
87°
63°
7
81°
58°
8
79°
58°
9
79°
61°
10
84°
62°
11
87°
63°
12
88°
62°
13
86°
61°
14
79°
61°
15
78°
60°
16
79°
61°
17
81°
61°
18
85°
60°
19
86°
62°
20
86°
62°
21
76°
51°
22
77°
51°
23
83°
56°
24
79°
49°
25
80°
48°
26
74°
49°
27
73°
49°
28
74°
48°
29
74°
53°
30
77°
57°
31
75°
51°
1
81°
56°
2
82°
59°
3
84°
51°
4
79°
48°
5
75°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Seneca
Seneca's August 2026 forecast shows daily high temperatures ranging from 73° to 88°, with overnight lows between 48° and 64°. The average high for August is 82° 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 Seneca. See also: September | October | November.
