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