S
M
T
W
T
F
S
27
73°
46°
28
75°
43°
29
80°
46°
30
66°
59°
1
72°
54°
2
68°
46°
3
67°
46°
4
72°
44°
5
65°
44°
6
66°
49°
7
73°
50°
8
71°
53°
9
68°
48°
10
68°
52°
11
66°
47°
12
65°
47°
13
65°
46°
14
64°
44°
15
58°
45°
16
66°
49°
17
68°
48°
18
67°
48°
19
60°
42°
20
54°
40°
21
54°
37°
22
55°
40°
23
63°
47°
24
65°
47°
25
64°
45°
26
54°
42°
27
52°
39°
28
59°
44°
29
57°
41°
30
57°
44°
31
61°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Oswego
Oswego's October 2026 forecast shows daily high temperatures ranging from 52° to 73°, with overnight lows between 37° and 54°. The average high for October is 63° with an average low of 45°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Oswego. See also: November | December | January.
