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
83°
66°
11
84°
62°
12
90°
60°
13
92°
69°
14
95°
70°
15
97°
70°
16
91°
72°
17
92°
73°
18
92°
72°
19
89°
70°
20
84°
66°
21
83°
66°
22
84°
64°
23
83°
66°
24
85°
66°
25
84°
65°
26
89°
70°
27
84°
68°
28
85°
65°
29
79°
62°
30
78°
62°
31
80°
67°
1
85°
68°
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 78° to 97°, with overnight lows between 60° and 73°. The average high for July is 87° with an average low of 67°. 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.
