S
M
T
W
T
F
S
27
43°
27°
28
46°
34°
29
54°
35°
30
56°
37°
31
57°
34°
1
59°
25°
2
59°
20°
3
43°
19°
4
43°
22°
5
45°
23°
6
44°
22°
7
40°
15°
8
41°
26°
9
41°
18°
10
42°
13°
11
41°
17°
12
37°
17°
13
43°
14°
14
38°
14°
15
36°
15°
16
38°
17°
17
41°
25°
18
49°
26°
19
45°
29°
20
46°
31°
21
47°
28°
22
49°
23°
23
42°
20°
24
43°
24°
25
48°
26°
26
49°
28°
27
42°
31°
28
44°
20°
29
49°
25°
30
Hist. Avg.
51°
24°
31
Hist. Avg.
51°
24°
1
Hist. Avg.
51°
24°
2
Hist. Avg.
51°
25°
3
Hist. Avg.
51°
25°
4
Hist. Avg.
52°
25°
5
Hist. Avg.
52°
25°
6
Hist. Avg.
52°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Summit
Summit's January 2027 forecast shows daily high temperatures ranging from 36° to 59°, with overnight lows between 13° and 37°. The average high for January is 45° with an average low of 24°. 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 Summit. See also: February | March | April.
