Hourly Weather Forecast - South Lyme, CT

10 AM
32°F
90%
3mph
NNW
Heavy Snow
Humidity
95%
Feels like
32°F
Dew Point
31°F
11 AM
32°F
80%
5mph
NNW
80% Chance of Heavy Snow
Humidity
93%
Feels like
27°F
Dew Point
30°F
12 PM
32°F
80%
6mph
NNW
80% Chance of Heavy Snow
Humidity
88%
Feels like
25°F
Dew Point
29°F
1 PM
31°F
50%
7mph
NNW
50% Chance of Heavy Snow
Humidity
82%
Feels like
24°F
Dew Point
27°F
2 PM
31°F
30%
8mph
NNW
30% Chance of Snow
Humidity
77%
Feels like
23°F
Dew Point
25°F
3 PM
31°F
10%
9mph
NNW
Cloudy
Humidity
70%
Feels like
23°F
Dew Point
22°F
4 PM
30°F
10%
9mph
NNW
Cloudy
Humidity
66%
Feels like
22°F
Dew Point
20°F
4:20 PM
5 PM
29°F
10%
9mph
NNW
Mostly Cloudy
Humidity
66%
Feels like
20°F
Dew Point
19°F
6 PM
27°F
10%
9mph
NNW
Partly Cloudy
Humidity
64%
Feels like
18°F
Dew Point
17°F
7 PM
26°F
0%
9mph
NNW
Partly Cloudy
Humidity
65%
Feels like
17°F
Dew Point
16°F
8 PM
25°F
0%
10mph
NNW
Partly Cloudy
Humidity
64%
Feels like
15°F
Dew Point
14°F
9 PM
24°F
0%
10mph
NNW
Partly Cloudy
Humidity
63%
Feels like
13°F
Dew Point
13°F
10 PM
22°F
0%
10mph
NNW
Partly Cloudy
Humidity
61%
Feels like
12°F
Dew Point
11°F
11 PM
21°F
0%
10mph
NNW
Mostly Clear
Humidity
58%
Feels like
9°F
Dew Point
8°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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