S
M
T
W
T
F
S
28
65°
26°
29
26°
14°
30
24°
12°
31
34°
22°
1
23°
17°
2
24°
11°
3
29°
19°
4
33°
27°
5
42°
28°
6
46°
36°
7
44°
33°
8
61°
35°
9
62°
31°
10
38°
26°
11
32°
22°
12
40°
24°
13
47°
31°
14
42°
21°
15
24°
14°
16
35°
20°
17
32°
12°
18
18°
8°
19
18°
1°
20
21°
0°
21
34°
20°
22
31°
13°
23
13°
-1°
24
6°
-3°
25
18°
4°
26
16°
0°
27
16°
4°
28
16°
-4°
29
19°
9°
30
22°
9°
31
22°
-6°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in La Porte
La Porte's January 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for January is ° with an average low of °. 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 La Porte. See also: February | March | April.