S
M
T
W
T
F
S
26
88°
73°
27
88°
64°
28
87°
65°
29
88°
69°
30
92°
68°
31
94°
67°
1
88°
71°
2
92°
66°
3
94°
65°
4
87°
64°
5
87°
65°
6
88°
65°
7
88°
66°
8
89°
70°
9
88°
70°
10
88°
68°
11
92°
70°
12
91°
72°
13
95°
68°
14
95°
65°
15
91°
66°
16
87°
70°
17
92°
69°
18
95°
65°
19
87°
62°
20
85°
63°
21
86°
64°
22
88°
62°
23
85°
63°
24
86°
67°
25
86°
69°
26
85°
70°
27
91°
70°
28
92°
68°
29
92°
65°
30
91°
62°
31
83°
67°
1
87°
67°
2
83°
62°
3
88°
66°
4
83°
68°
5
90°
68°
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 83° to 95°, with overnight lows between 62° and 73°. The average high for August is 89° with an average low of 67°. 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.
