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

53°F

12°C

Humidity 100%
Wind Speed W 3 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 4 Oct 3:56 am EDT
Extended Forecast for

Niantic CT

  • Today

    Today: Sunny, with a high near 79. Southwest wind 3 to 6 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 79. Calm wind becoming south around 6 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.

    Low: 58 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers, mainly before 2pm. High near 70. Chance of precipitation is 80%.

    High: 70 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 79. Southwest wind 3 to 6 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 56. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 79. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 58. Calm wind.
Monday
Sunny, with a high near 78. Calm wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 59.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 76.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Wednesday
Showers, mainly before 2pm. High near 70. Chance of precipitation is 80%.
Wednesday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.34°N 72.2°W (Elev. 92 ft)
Last Update:
1:43 am EDT Oct 4, 2025
Forecast Valid:
4am 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