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

42°F

6°C

Humidity 47%
Wind Speed SW 15 G 35 mph
Barometer 29.76 in (1007.8 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 17 Mar 12:56 pm EDT
Extended Forecast for

3 Miles SSW Niantic CT

  • This Afternoon

    This Afternoon: A chance of flurries after 5pm. Mostly sunny, with a high near 42. Breezy, with a west wind 18 to 20 mph, with gusts as high as 31 mph.

    High: 42 °F

    Chance
    Flurries and
    Breezy

  • Tonight

    Tonight: A chance of flurries before 11pm. Partly cloudy, with a low around 24. Wind chill values between 15 and 20. Northwest wind 11 to 15 mph.

    Low: 24 °F

    Chance
    Flurries

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Wind chill values between 15 and 25. Northwest wind 7 to 9 mph becoming southwest in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. South wind 5 to 7 mph becoming calm in the evening.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42. Calm wind becoming south 5 to 8 mph in the morning.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain before 2pm. Partly sunny, with a high near 48.

    High: 48 °F

    Chance Rain

Detailed Forecast

This Afternoon
A chance of flurries after 5pm. Mostly sunny, with a high near 42. Breezy, with a west wind 18 to 20 mph, with gusts as high as 31 mph.
Tonight
A chance of flurries before 11pm. Partly cloudy, with a low around 24. Wind chill values between 15 and 20. Northwest wind 11 to 15 mph.
Wednesday
Mostly sunny, with a high near 37. Wind chill values between 15 and 25. Northwest wind 7 to 9 mph becoming southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 25. South wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 42. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 48.
Friday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 37.
Saturday
A 30 percent chance of rain before 2pm. Partly sunny, with a high near 48.
Saturday Night
A 30 percent chance of rain after 8pm. Mostly cloudy, with a low around 35.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 46.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Niantic CT
 41.29°N 72.21°W (Elev. 3 ft)
Last Update:
7:54 am EDT Mar 17, 2026
Forecast Valid:
1pm EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation