The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
Forecasts
Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Greenwich, NJ
Content continues below
Content continues below
January
Average Temperature
High
5°
Feels 2
Low
-2°
Feels -6
Average Precipitation
9 Days
Rain amount
47.7mm
Snow amount
11.6cm
Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
2
1°
3
0°
4
2°
5
0°
6
6°
7
10°
8
9°
9
14°
10
11°
11
11°
12
6°
13
6°
14
3°
15
7°
16
6°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Friday, January 2, 2026
Day
1°
Feels -3
Wind
19 km/h W
Gust
29 km/h
Humidity
42%
P.O.P
30%
Night
-5°
Feels -9
Wind
17 km/h NW
Gust
26 km/h
Humidity
68%
P.O.P
20%
Historical Averages
Jan 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.