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

50°F

10°C

Humidity 100%
Wind Speed SW 6 mph
Barometer 30.11 in (1019.7 mb)
Dewpoint 50°F (10°C)
Visibility 7.00 mi
Wind Chill48°F (9°C)
Last update 3 Apr 10:56 pm EDT
Extended Forecast for

Niantic CT

  • Tonight

    Tonight: Areas of dense fog. Otherwise, mostly cloudy, with a low around 49. Southwest wind around 6 mph.

    Low: 49 °F

    Areas Dense
    Fog

  • Saturday

    Saturday: A slight chance of showers between 2pm and 5pm. Areas of dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Light and variable wind becoming east 5 to 10 mph in the afternoon. Chance of precipitation is 20%.

    High: 62 °F

    Areas Dense
    Fog then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers after 8pm. Cloudy, with a low around 40. East wind 6 to 9 mph, with gusts as high as 22 mph.

    Low: 40 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, then showers after 2pm. High near 57. Southwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 39. Northwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Showers then
    Slight Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Monday Night

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

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers before 2pm. Mostly sunny, with a high near 49. Chance of precipitation is 30%.

    High: 49 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of dense fog. Otherwise, mostly cloudy, with a low around 49. Southwest wind around 6 mph.
Saturday
A slight chance of showers between 2pm and 5pm. Areas of dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Light and variable wind becoming east 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A 50 percent chance of showers after 8pm. Cloudy, with a low around 40. East wind 6 to 9 mph, with gusts as high as 22 mph.
Sunday
Showers likely and possibly a thunderstorm, then showers after 2pm. High near 57. Southwest wind 8 to 13 mph, with gusts as high as 25 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 39. Northwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A chance of rain and snow showers before 2pm. Mostly sunny, with a high near 49. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Sunny, with a high near 46.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.31°N 72.21°W (Elev. 30 ft)
Last Update:
2:23 pm EDT Apr 3, 2026
Forecast Valid:
11pm EDT Apr 3, 2026-6pm EDT Apr 10, 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