Hourly Weather Forecast - Greenwich, CT

12 AM
29°F
10%
6mph
WNW
Clear
Humidity
63%
Feels like
23°F
Dew Point
18°F
1 AM
29°F
10%
6mph
WNW
Clear
Humidity
63%
Feels like
23°F
Dew Point
18°F
2 AM
29°F
10%
6mph
WNW
Clear
Humidity
62%
Feels like
23°F
Dew Point
17°F
3 AM
29°F
10%
6mph
WNW
Clear
Humidity
62%
Feels like
22°F
Dew Point
17°F
4 AM
28°F
10%
6mph
WNW
Clear
Humidity
61%
Feels like
22°F
Dew Point
17°F
5 AM
28°F
10%
5mph
NW
Clear
Humidity
61%
Feels like
22°F
Dew Point
16°F
6 AM
28°F
10%
5mph
NW
Clear
Humidity
61%
Feels like
22°F
Dew Point
16°F
7 AM
29°F
10%
4mph
NW
Clear
Humidity
60%
Feels like
24°F
Dew Point
16°F
7:16 AM
8 AM
30°F
10%
5mph
NW
Sunny
Humidity
59%
Feels like
25°F
Dew Point
17°F
9 AM
32°F
0%
6mph
NW
Sunny
Humidity
53%
Feels like
26°F
Dew Point
17°F
10 AM
34°F
0%
6mph
NW
Sunny
Humidity
50%
Feels like
28°F
Dew Point
17°F
11 AM
35°F
0%
7mph
NW
Sunny
Humidity
46%
Feels like
29°F
Dew Point
17°F
12 PM
36°F
0%
7mph
NW
Sunny
Humidity
44%
Feels like
30°F
Dew Point
16°F
1 PM
37°F
0%
7mph
NW
Sunny
Humidity
42%
Feels like
31°F
Dew Point
16°F
2 PM
37°F
0%
7mph
NW
Sunny
Humidity
42%
Feels like
31°F
Dew Point
16°F
3 PM
36°F
0%
7mph
NW
Sunny
Humidity
44%
Feels like
30°F
Dew Point
16°F
4 PM
34°F
0%
6mph
NW
Sunny
Humidity
49%
Feels like
29°F
Dew Point
17°F
4:29 PM
5 PM
32°F
10%
6mph
NW
Clear
Humidity
51%
Feels like
27°F
Dew Point
16°F
6 PM
31°F
10%
5mph
NW
Clear
Humidity
54%
Feels like
25°F
Dew Point
16°F
7 PM
30°F
10%
5mph
NW
Clear
Humidity
55%
Feels like
25°F
Dew Point
16°F
8 PM
29°F
10%
4mph
NW
Clear
Humidity
58%
Feels like
24°F
Dew Point
16°F
9 PM
28°F
10%
4mph
NW
Clear
Humidity
60%
Feels like
23°F
Dew Point
16°F
10 PM
27°F
10%
4mph
NW
Clear
Humidity
62%
Feels like
22°F
Dew Point
16°F
11 PM
27°F
10%
4mph
NW
Clear
Humidity
62%
Feels like
22°F
Dew Point
16°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday'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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