S
M
T
W
T
F
S
31
N/A
1
75°
51°
2
78°
47°
3
81°
51°
4
84°
62°
5
83°
64°
6
84°
63°
7
82°
65°
8
83°
63°
9
83°
64°
10
81°
61°
11
80°
60°
12
80°
59°
13
79°
47°
14
80°
59°
15
75°
55°
16
73°
54°
17
75°
55°
18
76°
57°
19
77°
59°
20
77°
63°
21
78°
62°
22
80°
64°
23
78°
63°
24
80°
62°
25
80°
64°
26
85°
65°
27
83°
62°
28
79°
60°
29
78°
59°
30
79°
57°
1
79°
61°
2
81°
63°
3
83°
65°
4
80°
58°
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 73° to 85°, with overnight lows between 47° and 65°. The average high for June is 80° with an average low of 60°. 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.
