S
M
T
W
T
F
S
27
42°
21°
28
43°
22°
29
42°
25°
30
42°
21°
31
43°
19°
1
40°
16°
2
39°
20°
3
41°
27°
4
42°
33°
5
47°
33°
6
56°
24°
7
53°
18°
8
41°
19°
9
41°
23°
10
42°
19°
11
44°
15°
12
40°
14°
13
37°
17°
14
41°
16°
15
41°
17°
16
42°
20°
17
44°
16°
18
39°
13°
19
37°
15°
20
38°
17°
21
41°
28°
22
42°
32°
23
45°
31°
24
48°
24°
25
44°
22°
26
46°
25°
27
48°
24°
28
47°
20°
29
43°
24°
30
47°
20°
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 37° to 56°, with overnight lows between 13° and 33°. The average high for January is 43° with an average low of 21°. 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.
