S
M
T
W
T
F
S
28
80°
62°
29
82°
62°
30
84°
63°
1
84°
62°
2
83°
63°
3
79°
60°
4
80°
64°
5
81°
65°
6
84°
66°
7
87°
67°
8
87°
67°
9
86°
66°
10
87°
67°
11
87°
67°
12
86°
66°
13
82°
64°
14
83°
65°
15
85°
66°
16
82°
61°
17
79°
59°
18
78°
59°
19
78°
60°
20
79°
59°
21
78°
59°
22
79°
60°
23
81°
63°
24
85°
65°
25
86°
66°
26
85°
65°
27
80°
60°
28
80°
62°
29
83°
65°
30
82°
60°
31
82°
64°
1
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Seneca
Seneca's July 2026 forecast shows daily high temperatures ranging from 78° to 87°, with overnight lows between 59° and 67°. The average high for July is 82° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Seneca. See also: August | September | October.