S
M
T
W
T
F
S
28
16°
6°
29
37°
16°
30
31°
6°
31
17°
4°
1
14°
2°
2
8°
-13°
3
8°
-2°
4
8°
-3°
5
8°
-4°
6
9°
-4°
7
30°
19°
8
35°
29°
9
42°
30°
10
43°
31°
11
34°
24°
12
31°
12°
13
35°
31°
14
40°
31°
15
37°
13°
16
13°
5°
17
22°
6°
18
30°
21°
19
24°
13°
20
23°
4°
21
22°
7°
22
30°
19°
23
19°
-7°
24
-3°
-17°
25
-1°
-21°
26
11°
-1°
27
9°
-2°
28
9°
-10°
29
14°
-8°
30
8°
-3°
31
11°
6°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in William's Harbour
William's Harbour's January 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for January is ° with an average low of °. 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 William's Harbour. See also: February | March | April.
