S
M
T
W
T
F
S
27
26°
8°
28
30°
15°
29
29°
20°
30
38°
19°
31
38°
20°
1
37°
19°
2
37°
15°
3
36°
11°
4
35°
11°
5
28°
10°
6
25°
16°
7
35°
11°
8
34°
4°
9
27°
5°
10
24°
14°
11
32°
12°
12
36°
2°
13
34°
4°
14
21°
-2°
15
30°
-2°
16
18°
-3°
17
21°
-2°
18
18°
6°
19
22°
3°
20
27°
5°
21
29°
7°
22
29°
4°
23
25°
5°
24
22°
8°
25
26°
15°
26
37°
13°
27
38°
1°
28
35°
0°
29
22°
6°
30
26°
10°
31
32°
-4°
1
30°
-3°
2
22°
7°
3
32°
-3°
4
28°
-4°
5
23°
-7°
6
24°
-8°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Etna
Etna's January 2027 forecast shows daily high temperatures ranging from 18° to 38°, with overnight lows between -8° and 20°. The average high for January is 29° 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 Etna. See also: February | March | April.