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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
Mahwah, NJ
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Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
6°
12
4°
13
6°
14
9°
15
5°
16
-2°
17
0°
18
2°
19
-1°
20
-3°
21
-4°
22
-3°
23
-2°
24
0°
25
-1°
26
27
28
29
30
31
Forecast
Sunday, January 11, 2026
Day
6°
Feels 3
Wind
21 km/h W
Gust
49 km/h
Humidity
45%
P.O.P
40%
Night
-2°
Feels -8
Wind
27 km/h W
Gust
44 km/h
Humidity
55%
P.O.P
40%
Historical Averages
Jan 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
January
Average Temperature
High
2°
Feels 0
Low
-6°
Feels -10
Average Precipitation
8 Days
Rain amount
28.2mm
Snow amount
30cm