S
M
T
W
T
F
S
28
89°
76°
29
90°
76°
30
90°
76°
1
90°
73°
2
93°
70°
3
92°
74°
4
92°
69°
5
90°
68°
6
90°
70°
7
90°
67°
8
94°
68°
9
99°
74°
10
94°
72°
11
89°
71°
12
90°
69°
13
88°
67°
14
90°
68°
15
90°
71°
16
90°
72°
17
93°
71°
18
94°
73°
19
95°
73°
20
94°
73°
21
95°
72°
22
91°
69°
23
94°
74°
24
94°
74°
25
94°
74°
26
95°
73°
27
95°
75°
28
94°
74°
29
94°
74°
30
93°
72°
31
93°
73°
1
92°
73°
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 88° to 99°, with overnight lows between 67° and 75°. The average high for July is 93° with an average low of 72°. 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.
