National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

21°F

-6°C

Humidity 88%
Wind Speed N 3 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 18°F (-8°C)
Visibility 9.00 mi
Last update 15 Feb 1:56 am EST
Extended Forecast for

Niantic CT

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 38. Wind chill values between 25 and 35. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 38 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 50 percent chance of snow, mainly after 1am. Cloudy, with a low around 26. East wind 3 to 5 mph.

    Low: 26 °F

    Slight Chance
    Snow then
    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Cloudy, then gradually becoming mostly sunny, with a high near 39. Wind chill values between 20 and 30. Northeast wind 3 to 6 mph.

    High: 39 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain after 1pm. Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain before 1am, then a chance of rain and snow. Low around 32. Chance of precipitation is 80%.

    Low: 32 °F

    Rain then
    Rain/Snow

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 26. Calm wind.
Sunday
Increasing clouds, with a high near 38. Wind chill values between 25 and 35. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
A 50 percent chance of snow, mainly after 1am. Cloudy, with a low around 26. East wind 3 to 5 mph.
Washington's Birthday
Cloudy, then gradually becoming mostly sunny, with a high near 39. Wind chill values between 20 and 30. Northeast wind 3 to 6 mph.
Monday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 27. Calm wind.
Tuesday
Mostly cloudy, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
A 50 percent chance of rain after 1pm. Mostly cloudy, with a high near 41.
Wednesday Night
Rain before 1am, then a chance of rain and snow. Low around 32. Chance of precipitation is 80%.
Thursday
Mostly cloudy, with a high near 40.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Rain likely. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.31°N 72.21°W (Elev. 30 ft)
Last Update:
1:46 am EST Feb 15, 2026
Forecast Valid:
2am EST Feb 15, 2026-6pm EST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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