Hourly Weather Forecast - Greenwich, NY

12 AM
8°F
0%
3mph
NW
Clear
Humidity
67%
Feels like
2°F
Dew Point
0°F
1 AM
8°F
0%
3mph
WNW
Clear
Humidity
69%
Feels like
8°F
Dew Point
0°F
2 AM
7°F
0%
2mph
WNW
Clear
Humidity
72%
Feels like
7°F
Dew Point
0°F
3 AM
7°F
0%
2mph
W
Clear
Humidity
74%
Feels like
7°F
Dew Point
1°F
4 AM
7°F
0%
3mph
W
Clear
Humidity
77%
Feels like
7°F
Dew Point
1°F
5 AM
7°F
0%
2mph
WSW
Clear
Humidity
78%
Feels like
7°F
Dew Point
2°F
6 AM
7°F
0%
2mph
SW
Mostly Clear
Humidity
80%
Feels like
7°F
Dew Point
2°F
7 AM
8°F
0%
2mph
SW
Mostly Clear
Humidity
80%
Feels like
8°F
Dew Point
3°F
7:18 AM
8 AM
10°F
0%
3mph
SW
Mostly Sunny
Humidity
77%
Feels like
10°F
Dew Point
4°F
9 AM
13°F
0%
3mph
WSW
Sunny
Humidity
72%
Feels like
7°F
Dew Point
5°F
10 AM
15°F
0%
4mph
WSW
Sunny
Humidity
69%
Feels like
9°F
Dew Point
7°F
11 AM
18°F
0%
4mph
WSW
Mostly Sunny
Humidity
66%
Feels like
11°F
Dew Point
8°F
12 PM
20°F
0%
5mph
WSW
Mostly Sunny
Humidity
64%
Feels like
13°F
Dew Point
10°F
1 PM
21°F
0%
5mph
WSW
Partly Cloudy
Humidity
64%
Feels like
14°F
Dew Point
11°F
2 PM
22°F
0%
5mph
WSW
Partly Cloudy
Humidity
66%
Feels like
16°F
Dew Point
13°F
3 PM
23°F
0%
5mph
SW
Mostly Sunny
Humidity
70%
Feels like
16°F
Dew Point
14°F
4 PM
22°F
0%
5mph
SW
Mostly Sunny
Humidity
75%
Feels like
16°F
Dew Point
15°F
4:19 PM
5 PM
21°F
0%
4mph
SW
Mostly Clear
Humidity
81%
Feels like
15°F
Dew Point
17°F
6 PM
21°F
0%
4mph
SSW
Mostly Clear
Humidity
84%
Feels like
16°F
Dew Point
17°F
7 PM
21°F
10%
3mph
SSW
Partly Cloudy
Humidity
85%
Feels like
21°F
Dew Point
17°F
8 PM
21°F
10%
3mph
S
Partly Cloudy
Humidity
83%
Feels like
17°F
Dew Point
17°F
9 PM
22°F
20%
4mph
SSW
Partly Cloudy
Humidity
82%
Feels like
16°F
Dew Point
17°F
10 PM
22°F
20%
4mph
SSW
Mostly Cloudy
Humidity
80%
Feels like
16°F
Dew Point
17°F
11 PM
22°F
20%
4mph
SSW
Mostly Cloudy
Humidity
80%
Feels like
16°F
Dew Point
17°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday evening.

Snow Spreads Across the Ohio Valley into the Mid-Atlantic

Weekend Weather Outlook

Weekend Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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