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.

Fair

50°F

10°C

Humidity 96%
Wind Speed W 5 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 3 Apr 11:56 pm EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a low around 50. Southwest wind 9 to 11 mph.

    Low: 50 °F

    Areas Fog

  • Saturday

    Saturday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 61. North wind 6 to 13 mph becoming southeast in the afternoon.

    High: 61 °F

    Areas Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Cloudy, with a low around 41. East wind 10 to 16 mph.

    Low: 41 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 54. Southwest wind 14 to 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 54 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 41. Northwest wind 11 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers then
    Slight Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers before 2pm. Mostly sunny, with a high near 47. Chance of precipitation is 30%.

    High: 47 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 50. Southwest wind 9 to 11 mph.
Saturday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 61. North wind 6 to 13 mph becoming southeast in the afternoon.
Saturday Night
A 50 percent chance of showers. Cloudy, with a low around 41. East wind 10 to 16 mph.
Sunday
Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 54. Southwest wind 14 to 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers, mainly before 8pm. Low around 41. Northwest wind 11 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
A chance of rain and snow showers before 2pm. Mostly sunny, with a high near 47. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 30.
Wednesday
Sunny, with a high near 44.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 58.
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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:
2:23 pm EDT Apr 3, 2026
Forecast Valid:
12am EDT Apr 4, 2026-6pm EDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation