S
M
T
W
T
F
S
26
79°
58°
27
80°
61°
28
82°
64°
29
81°
67°
30
87°
62°
31
83°
59°
1
83°
66°
2
87°
66°
3
83°
64°
4
85°
66°
5
86°
66°
6
87°
64°
7
87°
58°
8
84°
60°
9
79°
63°
10
79°
62°
11
78°
59°
12
77°
58°
13
78°
59°
14
78°
56°
15
79°
58°
16
78°
60°
17
79°
59°
18
80°
60°
19
84°
64°
20
85°
63°
21
83°
63°
22
78°
56°
23
78°
63°
24
77°
56°
25
76°
55°
26
Hist. Avg.
78°
58°
27
Hist. Avg.
78°
58°
28
Hist. Avg.
78°
58°
29
Hist. Avg.
78°
58°
30
Hist. Avg.
78°
57°
31
Hist. Avg.
78°
57°
1
Hist. Avg.
77°
57°
2
Hist. Avg.
77°
56°
3
Hist. Avg.
77°
56°
4
Hist. Avg.
77°
56°
5
Hist. Avg.
76°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Seneca Falls
Seneca Falls's August 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 55° and 67°. The average high for August is 81° with an average low of 61°. 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 Falls. See also: September | October | November.