Hourly Weather Forecast - Greenwich, NY

9 AM
27°F
10%
3mph
NW
Cloudy
Humidity
66%
Feels like
24°F
Dew Point
17°F
10 AM
27°F
10%
4mph
NW
Cloudy
Humidity
63%
Feels like
23°F
Dew Point
17°F
11 AM
27°F
10%
4mph
NNW
Cloudy
Humidity
61%
Feels like
22°F
Dew Point
16°F
12 PM
27°F
10%
5mph
NNW
Cloudy
Humidity
60%
Feels like
21°F
Dew Point
15°F
1 PM
27°F
10%
6mph
NNW
Mostly Cloudy
Humidity
59%
Feels like
20°F
Dew Point
14°F
2 PM
26°F
10%
6mph
N
Mostly Cloudy
Humidity
59%
Feels like
19°F
Dew Point
14°F
3 PM
25°F
30%
6mph
NNW
30% Chance of Heavy Snow
Humidity
59%
Feels like
18°F
Dew Point
13°F
4 PM
24°F
30%
7mph
N
30% Chance of Heavy Snow
Humidity
62%
Feels like
16°F
Dew Point
13°F
4:19 PM
5 PM
22°F
30%
7mph
N
30 % Chance of Heavy Snow
Humidity
63%
Feels like
14°F
Dew Point
12°F
6 PM
21°F
30%
7mph
NNW
30 % Chance of Heavy Snow
Humidity
64%
Feels like
12°F
Dew Point
11°F
7 PM
19°F
0%
7mph
NNW
Partly Cloudy
Humidity
64%
Feels like
10°F
Dew Point
9°F
8 PM
17°F
0%
6mph
NNW
Partly Cloudy
Humidity
64%
Feels like
8°F
Dew Point
7°F
9 PM
14°F
0%
6mph
NNW
Partly Cloudy
Humidity
65%
Feels like
5°F
Dew Point
5°F
10 PM
12°F
0%
5mph
NNW
Mostly Clear
Humidity
64%
Feels like
3°F
Dew Point
2°F
11 PM
10°F
0%
4mph
NNW
Clear
Humidity
66%
Feels like
2°F
Dew Point
1°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Sunday Weather Outlook

Today's 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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