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.

Fog

37°F

3°C

Humidity 100%
Wind Speed Calm
Barometer 30.01 in (1016.2 mb)
Dewpoint 37°F (3°C)
Visibility 0.25 mi
Last update 10 Mar 3:56 am EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Today

    Today: Partly sunny, with a high near 57. Light southwest wind becoming south 5 to 9 mph in the morning.

    High: 57 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 41. Southwest wind around 6 mph becoming light and variable after midnight.

    Low: 41 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 55. East wind 6 to 10 mph.

    High: 55 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 49. Southwest wind 13 to 15 mph. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of rain before 5pm, then a chance of rain and snow. Mostly cloudy, with a temperature falling to around 41 by 5pm. West wind 16 to 18 mph. Chance of precipitation is 50%.

    High: 51 °F⇓

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 31.

    Low: 31 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 43.

    High: 43 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 57. Light southwest wind becoming south 5 to 9 mph in the morning.
Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 41. Southwest wind around 6 mph becoming light and variable after midnight.
Wednesday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 55. East wind 6 to 10 mph.
Wednesday Night
A chance of rain before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 49. Southwest wind 13 to 15 mph. Chance of precipitation is 40%.
Thursday
A chance of rain before 5pm, then a chance of rain and snow. Mostly cloudy, with a temperature falling to around 41 by 5pm. West wind 16 to 18 mph. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of snow before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 31.
Friday
Increasing clouds, with a high near 43.
Friday Night
Mostly cloudy, with a low around 38. Breezy.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 49.
Sunday Night
Rain. Low around 44. Breezy. Chance of precipitation is 80%.
Monday
Rain. High near 51. Breezy. Chance of precipitation is 80%.
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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:
2:07 am EDT Mar 10, 2026
Forecast Valid:
4am EDT Mar 10, 2026-6pm EDT Mar 16, 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