S
M
T
W
T
F
S
27
28°
16°
28
31°
14°
29
30°
13°
30
29°
7°
31
26°
-2°
1
24°
-4°
2
14°
4°
3
15°
12°
4
25°
13°
5
28°
5°
6
29°
-4°
7
25°
-6°
8
12°
-5°
9
11°
-6°
10
15°
-6°
11
12°
-9°
12
9°
-5°
13
10°
-9°
14
11°
-4°
15
12°
5°
16
18°
-5°
17
21°
-6°
18
15°
-6°
19
13°
-4°
20
14°
9°
21
20°
10°
22
26°
11°
23
27°
13°
24
28°
14°
25
28°
10°
26
27°
9°
27
27°
8°
28
25°
6°
29
25°
0°
30
22°
-4°
31
15°
-6°
1
30°
3°
2
18°
11°
3
Hist. Avg.
24°
4°
4
Hist. Avg.
24°
4°
5
Hist. Avg.
24°
4°
6
Hist. Avg.
24°
4°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Buffalo
Buffalo's January 2027 forecast shows daily high temperatures ranging from 9° to 31°, with overnight lows between -9° and 16°. The average high for January is 21° with an average low of 3°. 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 Buffalo. See also: February | March | April.