S
M
T
W
T
F
S
27
40°
26°
28
39°
29°
29
40°
25°
30
41°
30°
31
42°
38°
1
47°
33°
2
48°
29°
3
44°
27°
4
41°
27°
5
40°
25°
6
39°
26°
7
40°
28°
8
42°
29°
9
42°
28°
10
43°
28°
11
42°
30°
12
43°
30°
13
43°
29°
14
44°
29°
15
43°
32°
16
44°
31°
17
45°
32°
18
45°
34°
19
46°
35°
20
46°
36°
21
47°
36°
22
45°
40°
23
49°
37°
24
48°
38°
25
47°
34°
26
48°
35°
27
45°
36°
28
46°
37°
29
46°
38°
30
48°
38°
31
Hist. Avg.
49°
28°
1
Hist. Avg.
49°
28°
2
Hist. Avg.
49°
28°
3
Hist. Avg.
49°
28°
4
Hist. Avg.
50°
28°
5
Hist. Avg.
50°
28°
6
Hist. Avg.
50°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Startup
Startup's January 2027 forecast shows daily high temperatures ranging from 39° to 49°, with overnight lows between 25° and 40°. The average high for January is 44° with an average low of 32°. 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 Startup. See also: February | March | April.
