S
M
T
W
T
F
S
31
66°
56°
1
73°
48°
2
67°
48°
3
66°
47°
4
65°
51°
5
68°
54°
6
72°
58°
7
72°
50°
8
69°
53°
9
70°
50°
10
69°
50°
11
69°
53°
12
70°
52°
13
71°
52°
14
69°
54°
15
73°
59°
16
76°
59°
17
74°
54°
18
71°
54°
19
70°
55°
20
72°
60°
21
75°
64°
22
81°
64°
23
82°
63°
24
83°
64°
25
83°
64°
26
82°
60°
27
81°
61°
28
78°
60°
29
77°
65°
30
81°
66°
1
82°
58°
2
79°
59°
3
73°
58°
4
75°
57°
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 65° to 83°, with overnight lows between 47° and 66°. The average high for June is 74° with an average low of 57°. 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.
