S
M
T
W
T
F
S
28
77°
66°
29
76°
68°
30
78°
69°
1
81°
70°
2
79°
70°
3
79°
71°
4
80°
65°
5
76°
64°
6
75°
64°
7
76°
65°
8
77°
66°
9
78°
70°
10
79°
71°
11
79°
70°
12
80°
70°
13
80°
71°
14
81°
71°
15
79°
69°
16
79°
69°
17
80°
70°
18
80°
69°
19
81°
70°
20
82°
66°
21
81°
66°
22
84°
72°
23
85°
63°
24
80°
62°
25
77°
63°
26
77°
62°
27
78°
64°
28
79°
67°
29
79°
69°
30
81°
68°
31
83°
69°
1
85°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Sandusky
Sandusky's July 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 62° and 72°. The average high for July is 79° with an average low of 68°. 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 Sandusky. See also: August | September | October.