Hourly Weather Forecast - Greenwich, CT

12 AM
30°F
0%
12mph
WNW
Mostly Clear
Humidity
54%
Feels like
20°F
Dew Point
15°F
1 AM
29°F
0%
12mph
WNW
Mostly Clear
Humidity
52%
Feels like
20°F
Dew Point
14°F
2 AM
29°F
0%
11mph
WNW
Mostly Clear
Humidity
51%
Feels like
19°F
Dew Point
13°F
3 AM
28°F
0%
10mph
WNW
Mostly Clear
Humidity
52%
Feels like
19°F
Dew Point
13°F
4 AM
28°F
0%
9mph
WNW
Mostly Clear
Humidity
53%
Feels like
19°F
Dew Point
13°F
5 AM
27°F
0%
8mph
WNW
Clear
Humidity
52%
Feels like
19°F
Dew Point
12°F
6 AM
27°F
0%
7mph
WNW
Clear
Humidity
54%
Feels like
19°F
Dew Point
12°F
7 AM
27°F
0%
6mph
W
Clear
Humidity
55%
Feels like
20°F
Dew Point
13°F
7:15 AM
8 AM
27°F
0%
6mph
W
Sunny
Humidity
55%
Feels like
21°F
Dew Point
13°F
9 AM
29°F
10%
5mph
WNW
Sunny
Humidity
52%
Feels like
24°F
Dew Point
13°F
10 AM
30°F
10%
4mph
WNW
Sunny
Humidity
51%
Feels like
26°F
Dew Point
14°F
11 AM
31°F
0%
4mph
W
Partly Cloudy
Humidity
48%
Feels like
27°F
Dew Point
14°F
12 PM
32°F
0%
4mph
W
Partly Cloudy
Humidity
48%
Feels like
28°F
Dew Point
15°F
1 PM
33°F
0%
4mph
WSW
Mostly Cloudy
Humidity
46%
Feels like
29°F
Dew Point
14°F
2 PM
33°F
0%
4mph
WSW
Mostly Cloudy
Humidity
47%
Feels like
29°F
Dew Point
15°F
3 PM
33°F
0%
5mph
SW
Mostly Cloudy
Humidity
50%
Feels like
28°F
Dew Point
16°F
4 PM
32°F
0%
5mph
SW
Partly Cloudy
Humidity
53%
Feels like
27°F
Dew Point
17°F
4:28 PM
5 PM
32°F
10%
5mph
SSW
Partly Cloudy
Humidity
55%
Feels like
27°F
Dew Point
18°F
6 PM
32°F
10%
6mph
SSW
Partly Cloudy
Humidity
57%
Feels like
26°F
Dew Point
18°F
7 PM
32°F
10%
6mph
SSW
Mostly Cloudy
Humidity
60%
Feels like
26°F
Dew Point
20°F
8 PM
32°F
10%
7mph
SSW
Mostly Cloudy
Humidity
63%
Feels like
26°F
Dew Point
21°F
9 PM
32°F
10%
7mph
SSW
Mostly Cloudy
Humidity
67%
Feels like
26°F
Dew Point
23°F
10 PM
33°F
10%
8mph
SSW
Cloudy
Humidity
71%
Feels like
26°F
Dew Point
24°F
11 PM
33°F
10%
8mph
SSW
Cloudy
Humidity
71%
Feels like
26°F
Dew Point
25°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's 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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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