S
M
T
W
T
F
S
27
27°
18°
28
30°
26°
29
38°
25°
30
38°
29°
31
41°
30°
1
42°
24°
2
42°
17°
3
43°
11°
4
26°
10°
5
24°
12°
6
24°
18°
7
28°
19°
8
31°
19°
9
32°
18°
10
33°
10°
11
29°
11°
12
24°
6°
13
25°
5°
14
20°
6°
15
19°
9°
16
22°
10°
17
25°
16°
18
31°
16°
19
32°
18°
20
31°
22°
21
33°
23°
22
34°
22°
23
35°
21°
24
33°
18°
25
31°
19°
26
34°
19°
27
31°
21°
28
29°
16°
29
30°
22°
30
Hist. Avg.
31°
16°
31
Hist. Avg.
31°
16°
1
Hist. Avg.
32°
16°
2
Hist. Avg.
32°
17°
3
Hist. Avg.
32°
17°
4
Hist. Avg.
32°
17°
5
Hist. Avg.
32°
17°
6
Hist. Avg.
32°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Cassopolis
Cassopolis's January 2027 forecast shows daily high temperatures ranging from 19° to 43°, with overnight lows between 5° and 30°. The average high for January is 31° with an average low of 17°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Cassopolis. See also: February | March | April.