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.

Light Rain

37°F

3°C

Humidity 93%
Wind Speed NE 14 G 23 mph
Barometer 30.23 in (1023.6 mb)
Dewpoint 35°F (2°C)
Visibility 7.00 mi
Wind Chill28°F (-2°C)
Last update 6 Mar 2:56 am EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Overnight

    Overnight: Rain, mainly before 4am. Steady temperature around 36. Northeast wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly before 7am. Patchy fog between 7am and 8am. Otherwise, cloudy, with a high near 40. Northeast wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 40 °F

    Chance Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: A slight chance of drizzle after 4am. Patchy fog. Otherwise, cloudy, with a low around 33. Northeast wind around 6 mph becoming calm after midnight.

    Low: 33 °F

    Patchy Fog
    then Slight
    Chance
    Drizzle and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, cloudy, with a high near 48. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 48 °F

    Patchy Fog
    then Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Cloudy, with a temperature rising to around 46 by midnight. Southwest wind 5 to 7 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 43 °F⇑

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 56.

    High: 56 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain, mainly before 4am. Steady temperature around 36. Northeast wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 30 percent chance of rain, mainly before 7am. Patchy fog between 7am and 8am. Otherwise, cloudy, with a high near 40. Northeast wind 6 to 9 mph, with gusts as high as 21 mph.
Friday Night
A slight chance of drizzle after 4am. Patchy fog. Otherwise, cloudy, with a low around 33. Northeast wind around 6 mph becoming calm after midnight.
Saturday
Patchy fog before 10am. Otherwise, cloudy, with a high near 48. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night
Showers likely, mainly after 1am. Cloudy, with a temperature rising to around 46 by midnight. Southwest wind 5 to 7 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 54.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Conning Towers-Nautilus Park CT
 41.39°N 72.07°W (Elev. 200 ft)
Last Update:
1:11 am EST Mar 6, 2026
Forecast Valid:
3am EST Mar 6, 2026-6pm EDT Mar 12, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation