S
M
T
W
T
F
S
27
73°
46°
28
75°
43°
29
80°
46°
30
66°
59°
1
71°
61°
2
67°
46°
3
71°
42°
4
74°
45°
5
71°
40°
6
74°
52°
7
77°
49°
8
68°
43°
9
71°
51°
10
78°
57°
11
76°
56°
12
70°
55°
13
66°
52°
14
63°
50°
15
65°
51°
16
62°
45°
17
59°
43°
18
58°
43°
19
61°
42°
20
59°
46°
21
55°
45°
22
59°
43°
23
62°
41°
24
53°
38°
25
52°
37°
26
51°
38°
27
51°
37°
28
59°
46°
29
62°
46°
30
61°
45°
31
62°
44°
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 51° to 78°, with overnight lows between 37° and 57°. The average high for October is 63° with an average low of 46°. 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.
