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.

A Few Clouds

51°F

11°C

Humidity 77%
Wind Speed SW 7 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 8 May 9:56 pm EDT
Extended Forecast for

Niantic CT

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers, mainly after 2pm. High near 62. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Slight Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly before 8pm. Patchy fog after 5am. Low around 52. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Showers then
    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 68 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 48. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers. High near 60. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. Calm wind.
Saturday
Showers, mainly after 2pm. High near 62. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers, mainly before 8pm. Patchy fog after 5am. Low around 52. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunday Night
Showers, mainly after 2am. Low around 48. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers. High near 60. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 62.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Thursday
Showers likely. Partly sunny, with a high near 64. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 67.
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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 pm EDT May 8, 2026
Forecast Valid:
10pm EDT May 8, 2026-6pm EDT May 15, 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