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.

Overcast

49°F

9°C

Humidity 80%
Wind Speed SW 14 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 21 Nov 1:56 pm EST
Extended Forecast for

2 Miles WSW Niantic CT

  • This Afternoon

    This Afternoon: Cloudy, with a high near 51. Southwest wind around 11 mph.

    High: 51 °F

    Cloudy

  • Tonight

    Tonight: Showers likely, mainly after 4am. Mostly cloudy, with a low around 42. West wind 3 to 6 mph. Chance of precipitation is 60%.

    Low: 42 °F

    Cloudy then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely before 10am, then a chance of rain between 10am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 50. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Showers
    Likely then
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. Northwest wind 5 to 9 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 47. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Monday Night

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

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
Cloudy, with a high near 51. Southwest wind around 11 mph.
Tonight
Showers likely, mainly after 4am. Mostly cloudy, with a low around 42. West wind 3 to 6 mph. Chance of precipitation is 60%.
Saturday
Showers likely before 10am, then a chance of rain between 10am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 50. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 33. Northwest wind 5 to 9 mph.
Sunday
Mostly sunny, with a high near 47. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 53.
Tuesday Night
Rain likely. Cloudy, with a low around 49. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 57.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42.
Thanksgiving Day
A 30 percent chance of rain. Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Niantic CT
 41.3°N 72.24°W (Elev. 0 ft)
Last Update:
1:45 pm EST Nov 21, 2025
Forecast Valid:
2pm EST Nov 21, 2025-6pm EST Nov 27, 2025
 
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