S
M
T
W
T
F
S
28
81°
61°
29
91°
75°
30
92°
76°
1
92°
76°
2
92°
70°
3
88°
68°
4
84°
68°
5
79°
65°
6
82°
64°
7
84°
60°
8
86°
62°
9
85°
67°
10
85°
64°
11
86°
65°
12
88°
65°
13
91°
67°
14
92°
70°
15
92°
70°
16
89°
72°
17
90°
72°
18
89°
68°
19
85°
63°
20
85°
65°
21
83°
64°
22
84°
65°
23
82°
63°
24
89°
71°
25
88°
71°
26
89°
70°
27
89°
70°
28
87°
69°
29
86°
69°
30
84°
68°
31
80°
68°
1
80°
67°
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 80° to 92°, with overnight lows between 63° and 72°. The average high for July is 87° 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 Oswego. See also: August | September | October.
