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

18°F

-8°C

Humidity 41%
Wind Speed N 15 G 23 mph
Barometer 30.23 in (1023.7 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 26 Dec 7:56 am EST
Extended Forecast for

Conning Towers-Nautilus Park CT

Winter Weather Advisory December 26, 07:00pm until December 27, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A 20 percent chance of snow after 4pm. Increasing clouds, with a high near 28. Wind chill values between 10 and 20. North wind 6 to 13 mph.

    High: 28 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tonight

    Tonight: Snow, mainly after 7pm. Steady temperature around 27. Wind chill values between 15 and 20. Northeast wind 6 to 14 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 27 °F

    Snow

  • Saturday

    Saturday: A 30 percent chance of snow before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 32. Wind chill values between 15 and 25. Northeast wind 9 to 13 mph.

    High: 32 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 21. Northwest wind around 7 mph.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 40. Northwest wind 6 to 9 mph becoming west in the afternoon.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain. Temperature rising to around 42 by 4am. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F⇑

    Rain Likely
    then Rain

  • Monday

    Monday: Rain. High near 47. Chance of precipitation is 90%.

    High: 47 °F

    Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. Breezy.

    Low: 28 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. Breezy.

    High: 32 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
A 20 percent chance of snow after 4pm. Increasing clouds, with a high near 28. Wind chill values between 10 and 20. North wind 6 to 13 mph.
Tonight
Snow, mainly after 7pm. Steady temperature around 27. Wind chill values between 15 and 20. Northeast wind 6 to 14 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday
A 30 percent chance of snow before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 32. Wind chill values between 15 and 25. Northeast wind 9 to 13 mph.
Saturday Night
Mostly clear, with a low around 21. Northwest wind around 7 mph.
Sunday
Partly sunny, with a high near 40. Northwest wind 6 to 9 mph becoming west in the afternoon.
Sunday Night
Rain. Temperature rising to around 42 by 4am. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. High near 47. Chance of precipitation is 90%.
Monday Night
Partly cloudy, with a low around 28. Breezy.
Tuesday
Mostly sunny, with a high near 32. Breezy.
Tuesday Night
Mostly cloudy, with a low around 26. Breezy.
Wednesday
Mostly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 24.
New Year's Day
Partly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Conning Towers-Nautilus Park CT
 41.36°N 72.08°W (Elev. 79 ft)
Last Update:
1:48 am EST Dec 26, 2025
Forecast Valid:
8am EST Dec 26, 2025-6pm EST Jan 1, 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