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