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

48°F

9°C

Humidity 89%
Wind Speed SW 7 mph
Barometer 30.23 in (1023.6 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 3 Apr 12:56 pm EDT
Extended Forecast for

Niantic CT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 57. Southwest wind 6 to 8 mph.

    High: 57 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 50. Southwest wind around 6 mph.

    Low: 50 °F

    Patchy Fog

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 66. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 66 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers, mainly after 8pm. Cloudy, with a low around 40. East wind 5 to 8 mph, with gusts as high as 22 mph.

    Low: 40 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers. High near 59. Southwest wind 8 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers
    Likely then
    Showers

  • Sunday Night

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

    Low: 39 °F

    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers before 2pm, then a chance of rain showers. Partly sunny, with a high near 50. Chance of precipitation is 30%.

    High: 50 °F

    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 57. Southwest wind 6 to 8 mph.
Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 50. Southwest wind around 6 mph.
Saturday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 66. Calm wind becoming east 5 to 8 mph in the afternoon.
Saturday Night
A 50 percent chance of showers, mainly after 8pm. Cloudy, with a low around 40. East wind 5 to 8 mph, with gusts as high as 22 mph.
Sunday
Showers. High near 59. Southwest wind 8 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers before 8pm. Low around 39. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
A chance of rain and snow showers before 2pm, then a chance of rain showers. Partly sunny, with a high near 50. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.34°N 72.2°W (Elev. 92 ft)
Last Update:
2:20 am EDT Apr 3, 2026
Forecast Valid:
1pm EDT Apr 3, 2026-6pm EDT Apr 9, 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