S
M
T
W
T
F
S
1
50°
30°
2
54°
27°
3
54°
30°
4
54°
27°
5
57°
28°
6
55°
21°
7
64°
23°
8
64°
27°
9
66°
36°
10
64°
25°
11
66°
28°
12
68°
40°
13
53°
36°
14
54°
32°
15
51°
37°
16
48°
28°
17
50°
25°
18
46°
27°
19
49°
25°
20
44°
25°
21
43°
29°
22
45°
29°
23
44°
31°
24
46°
30°
25
48°
25°
26
47°
32°
27
48°
28°
28
43°
25°
29
43°
24°
30
44°
30°
1
44°
30°
2
40°
29°
3
42°
29°
4
39°
28°
5
39°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
November Weather in Janesville
Janesville's November 2026 forecast shows daily high temperatures ranging from 39° to 68°, with overnight lows between 23° and 40°. The average high for November is 47° with an average low of 29°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how November weather will actually feel in Janesville. See also: December | January | February.