S
M
T
W
T
F
S
28
82°
66°
29
90°
75°
30
93°
73°
1
93°
73°
2
93°
73°
3
91°
69°
4
89°
67°
5
86°
68°
6
84°
65°
7
81°
62°
8
82°
65°
9
86°
67°
10
84°
66°
11
82°
64°
12
83°
65°
13
80°
58°
14
79°
58°
15
79°
59°
16
80°
60°
17
80°
63°
18
82°
65°
19
81°
63°
20
80°
65°
21
82°
65°
22
83°
66°
23
85°
66°
24
86°
65°
25
85°
65°
26
86°
66°
27
85°
66°
28
86°
65°
29
86°
65°
30
85°
60°
31
78°
58°
1
78°
62°
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 93°, with overnight lows between 58° and 75°. The average high for July is 84° with an average low of 65°. 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.
