S
M
T
W
T
F
S
28
82°
57°
29
57°
42°
30
61°
38°
31
70°
33°
1
76°
38°
2
89°
56°
3
80°
56°
4
72°
46°
5
79°
52°
6
83°
56°
7
83°
53°
8
80°
65°
9
72°
61°
10
64°
42°
11
65°
36°
12
65°
42°
13
63°
48°
14
73°
48°
15
67°
36°
16
75°
46°
17
58°
37°
18
62°
26°
19
70°
32°
20
60°
45°
21
73°
53°
22
70°
49°
23
73°
53°
24
56°
27°
25
32°
21°
26
41°
20°
27
51°
20°
28
62°
29°
29
73°
30°
30
56°
35°
31
49°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in San Antonio Northeast
San Antonio Northeast'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 San Antonio Northeast. See also: February | March | April.
