National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

41°F

5°C

Humidity 67%
Wind Speed SW 6 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 17 Jan 1:56 pm EST
Extended Forecast for

2 Miles W Hadlyme CT

Winter Weather Advisory January 18, 10:00am until January 18, 10:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Rain before 4pm, then rain and snow likely. High near 43. Southwest wind around 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow

  • Tonight

    Tonight: Snow likely before 7pm, then a chance of snow after 1am. Mostly cloudy, with a low around 28. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 28 °F

    Snow Likely
    then Chance
    Snow

  • Sunday

    Sunday: Periods of snow, mainly after 7am. High near 34. Calm wind becoming northwest around 5 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 22. Light and variable wind becoming northwest around 6 mph in the evening.

    Low: 22 °F

    Chance Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 31. Southwest wind 5 to 11 mph, with gusts as high as 23 mph.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain before 4pm, then rain and snow likely. High near 43. Southwest wind around 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Snow likely before 7pm, then a chance of snow after 1am. Mostly cloudy, with a low around 28. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Periods of snow, mainly after 7am. High near 34. Calm wind becoming northwest around 5 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 50 percent chance of snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 22. Light and variable wind becoming northwest around 6 mph in the evening.
M.L.King Day
Mostly sunny, with a high near 31. Southwest wind 5 to 11 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Mostly clear, with a low around 11.
Wednesday
Mostly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Hadlyme CT
 41.4°N 72.36°W (Elev. 279 ft)
Last Update:
1:04 pm EST Jan 17, 2026
Forecast Valid:
2pm EST Jan 17, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation