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