S
M
T
W
T
F
S
27
57°
27°
28
53°
21°
29
48°
25°
30
47°
19°
31
47°
20°
1
46°
23°
2
48°
30°
3
55°
30°
4
61°
33°
5
59°
25°
6
60°
21°
7
49°
24°
8
48°
25°
9
47°
23°
10
50°
23°
11
55°
20°
12
48°
19°
13
45°
19°
14
47°
21°
15
48°
22°
16
49°
19°
17
49°
19°
18
46°
21°
19
50°
24°
20
54°
32°
21
56°
29°
22
58°
25°
23
55°
23°
24
54°
25°
25
56°
25°
26
55°
30°
27
57°
31°
28
58°
35°
29
59°
34°
30
49°
28°
31
48°
23°
1
56°
34°
2
60°
34°
3
Hist. Avg.
58°
28°
4
Hist. Avg.
58°
29°
5
Hist. Avg.
58°
29°
6
Hist. Avg.
58°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Idalou
Idalou's January 2027 forecast shows daily high temperatures ranging from 45° to 61°, with overnight lows between 19° and 35°. The average high for January is 52° with an average low of 25°. 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 Idalou. See also: February | March | April.
