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

41°F

5°C

Humidity 93%
Wind Speed NW 3 mph
Barometer 30.20 in (1022.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 28 Apr 1:56 am EDT
Extended Forecast for

Niantic CT

  • Overnight

    Overnight: Clear, with a low around 42. Calm wind.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 61. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 61 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Showers, mainly after 2am. Low around 46. Light east wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Chance
    Showers then
    Showers

  • Thursday

    Thursday: Showers, mainly before 2pm. High near 57. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 64. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 41. Calm wind.
Wednesday
Increasing clouds, with a high near 61. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Wednesday Night
Showers, mainly after 2am. Low around 46. Light east wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers, mainly before 2pm. High near 57. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 42.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 40.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.34°N 72.2°W (Elev. 92 ft)
Last Update:
2:19 am EDT Apr 28, 2026
Forecast Valid:
2am EDT Apr 28, 2026-6pm EDT May 4, 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