News Headlines
- Latest Briefing: Major Winter Storm Sunday into Monday
- Winter Storm Warning in Effect 3AM Sunday to 6PM Monday
- Cold Weather Advisory in Effect 10PM Friday Night Until 12PM Saturday
- Learn More About Winter Hazards and Preparedness
- Students: Interested in Volunteering for NWS New York, NY this Summer?
Hazardous Weather Conditions
Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Fair
16°F
-9°C
| Humidity | 27% |
| Wind Speed | NW 17 G 35 mph |
| Barometer | 30.32 in (1026.6 mb) |
| Dewpoint | -12°F (-24°C) |
| Visibility | 10.00 mi |
| Wind Chill | 0°F (-18°C) |
| Last update | 23 Jan 10:56 pm EST |
Extended Forecast for
2 Miles W Hadlyme CT
Cold Weather Advisory until January 24, 12:00pm
Winter Storm Warning January 25, 03:00am until January 26, 06:00pm
NOW until 12:00pm Sat

Cold Weather Advisory
Tonight

Low: 6 °F
Mostly Clear
Saturday

High: 15 °F
Cold
Saturday Night

Low: 8 °F
Mostly Cloudy
Sunday

High: 26 °F
Heavy Snow
Sunday Night

Low: 22 °F⇑
Heavy Snow
Monday

High: 29 °F
Snow Likely
Monday Night

Low: 8 °F
Partly Cloudy
Tuesday

High: 21 °F
Mostly Sunny
Detailed Forecast
Tonight
Mostly clear, with a low around 6. Wind chill values between -5 and -10. Northwest wind 14 to 17 mph.
Saturday
Mostly sunny and cold, with a high near 15. Wind chill values between -10 and zero. Northwest wind 8 to 14 mph.
Saturday Night
Mostly cloudy, with a low around 8. Wind chill values between zero and 5. North wind 3 to 6 mph.
Sunday
Snow. The snow could be heavy at times. High near 26. Wind chill values between 5 and 10. Light northeast wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Temperature falling to near 22 by 9pm, then rising to around 27 during the remainder of the night. Northeast wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Monday
Snow likely. Cloudy, with a high near 29. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 21.
Tuesday Night
Partly cloudy, with a low around 6.
Wednesday
Sunny, with a high near 23.
Wednesday Night
Mostly cloudy, with a low around 6.
Thursday
Partly sunny and cold, with a high near 20.
Thursday Night
Partly cloudy, with a low around 5.
Friday
Mostly sunny, with a high near 21.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles W Hadlyme CT
41.4°N 72.36°W (Elev. 279 ft)
41.4°N 72.36°W (Elev. 279 ft)
12:58 pm EST Jan 23, 2026
11pm EST Jan 23, 2026-6pm EST Jan 30, 2026



