S
M
T
W
T
F
S
27
25°
14°
28
27°
13°
29
34°
14°
30
31°
16°
31
32°
17°
1
32°
2°
2
33°
-1°
3
28°
-3°
4
16°
-5°
5
15°
2°
6
17°
0°
7
28°
-1°
8
22°
7°
9
30°
-5°
10
28°
-7°
11
14°
-5°
12
17°
-7°
13
18°
-8°
14
11°
-4°
15
14°
10°
16
24°
11°
17
27°
10°
18
30°
2°
19
27°
10°
20
21°
11°
21
29°
12°
22
27°
6°
23
25°
9°
24
22°
4°
25
26°
11°
26
33°
16°
27
30°
14°
28
32°
17°
29
Hist. Avg.
24°
5°
30
Hist. Avg.
25°
5°
31
Hist. Avg.
25°
5°
1
Hist. Avg.
25°
5°
2
Hist. Avg.
25°
5°
3
Hist. Avg.
25°
6°
4
Hist. Avg.
26°
6°
5
Hist. Avg.
26°
6°
6
Hist. Avg.
26°
6°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in St. Clair
St. Clair's January 2027 forecast shows daily high temperatures ranging from 11° to 34°, with overnight lows between -8° and 17°. The average high for January is 25° with an average low of 6°. 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 St. Clair. See also: February | March | April.
