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

48°F

9°C

Humidity 68%
Wind Speed NW 6 mph
Barometer 29.79 in (1008.8 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 1 May 12:56 am EDT
Extended Forecast for

Niantic CT

  • Overnight

    Overnight: Mostly clear, with a low around 43. Light northwest wind.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Northwest wind 6 to 8 mph becoming southwest in the afternoon.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 44. Light southwest wind.

    Low: 44 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 58 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 2pm. Partly sunny, with a high near 59.

    High: 59 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Light northwest wind.
Friday
Sunny, with a high near 62. Northwest wind 6 to 8 mph becoming southwest in the afternoon.
Friday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 44. Light southwest wind.
Saturday
A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 43. Calm wind.
Sunday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 64.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
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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:
7:56 pm EDT Apr 30, 2026
Forecast Valid:
1am EDT May 1, 2026-6pm EDT May 7, 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