S
M
T
W
T
F
S
27
30°
24°
28
36°
29°
29
42°
29°
30
43°
32°
31
46°
33°
1
47°
26°
2
47°
20°
3
46°
14°
4
29°
13°
5
27°
15°
6
28°
20°
7
30°
16°
8
30°
13°
9
31°
20°
10
30°
11°
11
30°
11°
12
26°
9°
13
26°
7°
14
25°
8°
15
22°
11°
16
24°
12°
17
26°
14°
18
30°
13°
19
32°
22°
20
33°
25°
21
34°
26°
22
36°
25°
23
38°
23°
24
35°
19°
25
34°
20°
26
36°
20°
27
35°
26°
28
30°
16°
29
32°
23°
30
Hist. Avg.
37°
21°
31
Hist. Avg.
37°
21°
1
Hist. Avg.
37°
21°
2
Hist. Avg.
37°
21°
3
Hist. Avg.
38°
21°
4
Hist. Avg.
38°
22°
5
Hist. Avg.
38°
22°
6
Hist. Avg.
38°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Indianapolis
Indianapolis's January 2027 forecast shows daily high temperatures ranging from 22° to 47°, with overnight lows between 7° and 33°. The average high for January is 33° with an average low of 19°. 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 Indianapolis. See also: February | March | April.
