S
M
T
W
T
F
S
28
82°
66°
29
92°
72°
30
92°
76°
1
93°
77°
2
93°
73°
3
94°
70°
4
86°
69°
5
83°
66°
6
81°
63°
7
83°
63°
8
86°
68°
9
84°
68°
10
81°
62°
11
81°
64°
12
82°
65°
13
84°
64°
14
86°
64°
15
80°
61°
16
81°
64°
17
80°
61°
18
79°
73°
19
80°
65°
20
81°
58°
21
79°
58°
22
79°
59°
23
80°
61°
24
80°
62°
25
83°
64°
26
83°
65°
27
82°
65°
28
86°
66°
29
86°
66°
30
84°
65°
31
83°
66°
1
85°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Oswego
Oswego's July 2026 forecast shows daily high temperatures ranging from 79° to 86°, with overnight lows between 58° and 73°. The average high for July is 82° with an average low of 64°. 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 Oswego. See also: August | September | October.
