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Monthly
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Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Port Arthur, ON
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January
Average Temperature
High
-8°
Feels -12
Low
-17°
Feels -24
Average Precipitation
7 Days
Rain amount
0mm
Snow amount
54cm
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Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
1°
9
-2°
10
-2°
11
-5°
12
2°
13
-1°
14
-13°
15
-12°
16
-7°
17
-13°
18
-15°
19
-17°
20
-18°
21
-17°
22
-17°
23
24
25
26
27
28
29
30
31
Forecast
Thursday, January 8, 2026
Day
1°
Feels 0
Wind
10 km/h S
Gust
15 km/h
Humidity
93%
P.O.P
30%
Night
-3°
Feels -9
Wind
26 km/h N
Gust
39 km/h
Humidity
100%
P.O.P
30%
Historical Averages
Jan 8
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.