S
M
T
W
T
F
S
28
75°
60°
29
82°
58°
30
74°
58°
1
75°
63°
2
76°
67°
3
83°
67°
4
78°
68°
5
79°
66°
6
84°
59°
7
77°
58°
8
78°
61°
9
82°
66°
10
81°
60°
11
81°
66°
12
80°
60°
13
83°
58°
14
76°
60°
15
77°
62°
16
77°
59°
17
76°
68°
18
80°
62°
19
77°
60°
20
80°
61°
21
77°
66°
22
77°
67°
23
76°
68°
24
80°
69°
25
82°
68°
26
82°
67°
27
81°
68°
28
84°
68°
29
84°
61°
30
83°
69°
31
86°
69°
1
84°
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 74° to 86°, with overnight lows between 58° and 69°. The average high for July is 80° 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.
