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

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fog/Mist

41°F

5°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.16 in (1021.2 mb)
Dewpoint 41°F (5°C)
Visibility 4.00 mi
Last update 15 Mar 5:56 am EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Today

    Today: Patchy drizzle and fog before 11am. Mostly cloudy, with a high near 48. South wind 5 to 9 mph.

    High: 48 °F

    Patchy
    Drizzle and
    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 2am. Patchy fog before 2am. Otherwise, cloudy, with a temperature rising to around 48 by 5am. Southeast wind 8 to 11 mph.

    Low: 44 °F⇑

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 5pm. Cloudy, with a high near 55. Breezy, with a south wind 16 to 20 mph, with gusts as high as 32 mph.

    High: 55 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm. Steady temperature around 51. Breezy, with a south wind 21 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 51 °F

    Showers and
    Breezy

  • Monday

    Monday: Showers. High near 52. South wind 7 to 13 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

    High: 52 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 38. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy drizzle and fog before 11am. Mostly cloudy, with a high near 48. South wind 5 to 9 mph.
Tonight
A 30 percent chance of showers, mainly after 2am. Patchy fog before 2am. Otherwise, cloudy, with a temperature rising to around 48 by 5am. Southeast wind 8 to 11 mph.
Sunday
A 30 percent chance of showers, mainly after 5pm. Cloudy, with a high near 55. Breezy, with a south wind 16 to 20 mph, with gusts as high as 32 mph.
Sunday Night
Showers, mainly after 8pm. Steady temperature around 51. Breezy, with a south wind 21 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Monday
Showers. High near 52. South wind 7 to 13 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.
Monday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 38. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 56. Breezy.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 41. Breezy.
Friday
Partly sunny, with a high near 46.
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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:
6:20 am EDT Mar 15, 2025
Forecast Valid:
6am EDT Mar 15, 2025-6pm EDT Mar 21, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation