S
M
T
W
T
F
S
31
78°
54°
1
73°
53°
2
78°
50°
3
84°
56°
4
87°
66°
5
81°
67°
6
85°
62°
7
85°
67°
8
83°
66°
9
85°
68°
10
85°
64°
11
84°
67°
12
86°
65°
13
86°
65°
14
85°
64°
15
84°
64°
16
81°
60°
17
83°
65°
18
84°
64°
19
84°
65°
20
82°
65°
21
80°
58°
22
76°
58°
23
79°
67°
24
86°
68°
25
87°
63°
26
80°
62°
27
78°
64°
28
79°
66°
29
83°
67°
30
83°
68°
1
82°
67°
2
83°
68°
3
86°
68°
4
86°
69°
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 76° to 87°, with overnight lows between 56° and 69°. The average high for June is 83° 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 June weather will actually feel in Oswego. See also: July | August | September.
