S
M
T
W
T
F
S
27
66°
52°
28
65°
54°
29
63°
45°
30
75°
44°
1
72°
60°
2
71°
54°
3
63°
41°
4
68°
40°
5
59°
46°
6
54°
35°
7
70°
38°
8
63°
44°
9
65°
43°
10
61°
36°
11
60°
50°
12
61°
59°
13
73°
56°
14
62°
48°
15
56°
48°
16
58°
39°
17
48°
39°
18
51°
43°
19
59°
50°
20
60°
48°
21
60°
50°
22
62°
51°
23
59°
50°
24
58°
48°
25
56°
37°
26
60°
46°
27
57°
37°
28
47°
37°
29
47°
38°
30
50°
45°
31
55°
39°
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 47° to 73°, with overnight lows between 37° and 59°. The average high for October is 57° 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.
