S
M
T
W
T
F
S
31
90°
69°
1
91°
71°
2
84°
71°
3
84°
66°
4
87°
64°
5
85°
70°
6
74°
70°
7
80°
70°
8
84°
66°
9
88°
74°
10
87°
74°
11
87°
69°
12
86°
68°
13
89°
64°
14
79°
62°
15
81°
62°
16
85°
59°
17
90°
71°
18
76°
62°
19
82°
63°
20
89°
64°
21
85°
72°
22
78°
60°
23
81°
59°
24
78°
62°
25
82°
64°
26
87°
68°
27
87°
68°
28
89°
76°
29
90°
76°
30
94°
73°
1
92°
73°
2
93°
74°
3
92°
74°
4
95°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Oswego
Oswego's June 2026 forecast shows daily high temperatures ranging from 92° to 95°, with overnight lows between 73° and 74°. The average high for June is 93° with an average low of 73°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Oswego. See also: July | August | September.
