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.

Fair

31°F

-1°C

Humidity 40%
Wind Speed W 16 G 24 mph
Barometer 30.14 in (1020.6 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 23 Jan 9:56 am EST
Extended Forecast for

Conning Towers-Nautilus Park CT

Winter Storm Watch January 25, 03:00am until January 26, 06:00pm
Cold Weather Advisory January 23, 10:00pm until January 24, 10:00am
Click here for hazard details and duration
Winter Storm Watch
Cold Weather Advisory

  • Today

    Today: Mostly sunny, with a high near 32. Wind chill values between 20 and 25. West wind 16 to 18 mph.

    High: 32 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 9. Wind chill values between -5 and 5. Blustery, with a northwest wind 18 to 21 mph.

    Low: 9 °F

    Partly Cloudy
    and Blustery

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 16. Wind chill values between -10 and zero. Northwest wind 13 to 17 mph.

    High: 16 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a steady temperature around 15. Wind chill values between zero and 5. Northwest wind 7 to 10 mph.

    Low: 15 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 29. Northeast wind 8 to 17 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 29 °F

    Snow Likely
    then Heavy
    Snow

  • Sunday Night

    Sunday Night: Snow. Temperature falling to near 25 by 10pm, then rising to around 30 during the remainder of the night. Blustery. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 25 °F⇑

    Snow and
    Blustery

  • Monday

    Monday: Snow. High near 29. Chance of precipitation is 80%.

    High: 29 °F

    Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 13. Blustery.

    Low: 13 °F

    Chance Snow
    and Blustery

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 32. Wind chill values between 20 and 25. West wind 16 to 18 mph.
Tonight
Partly cloudy, with a low around 9. Wind chill values between -5 and 5. Blustery, with a northwest wind 18 to 21 mph.
Saturday
Mostly sunny and cold, with a high near 16. Wind chill values between -10 and zero. Northwest wind 13 to 17 mph.
Saturday Night
Mostly cloudy, with a steady temperature around 15. Wind chill values between zero and 5. Northwest wind 7 to 10 mph.
Sunday
Snow. The snow could be heavy at times. High near 29. Northeast wind 8 to 17 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Sunday Night
Snow. Temperature falling to near 25 by 10pm, then rising to around 30 during the remainder of the night. Blustery. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Monday
Snow. High near 29. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 13. Blustery.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Partly cloudy, with a low around 11.
Wednesday
Mostly sunny, with a high near 25.
Wednesday Night
Partly cloudy, with a low around 11.
Thursday
Partly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Conning Towers-Nautilus Park CT
 41.36°N 72.08°W (Elev. 79 ft)
Last Update:
2:28 am EST Jan 23, 2026
Forecast Valid:
10am EST Jan 23, 2026-6pm EST Jan 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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