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

56°F

13°C

Humidity 97%
Wind Speed W 6 mph
Barometer 30.21 in (1022.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 3 Oct 11:56 pm EDT
Extended Forecast for

Niantic CT

  • Overnight

    Overnight: Clear, with a low around 51. West wind around 5 mph.

    Low: 51 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Southwest wind 3 to 6 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Areas of fog after 3am. Otherwise, mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear
    then Areas
    Fog

  • Sunday

    Sunday: Areas of fog before 8am. Otherwise, sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.

    High: 81 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 51. West wind around 5 mph.
Saturday
Sunny, with a high near 80. Southwest wind 3 to 6 mph.
Saturday Night
Areas of fog after 3am. Otherwise, mostly clear, with a low around 57. Calm wind.
Sunday
Areas of fog before 8am. Otherwise, sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 57. Calm wind.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.33°N 72.17°W (Elev. 69 ft)
Last Update:
2:14 pm EDT Oct 3, 2025
Forecast Valid:
12am EDT Oct 4, 2025-6pm EDT Oct 10, 2025
 
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