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