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