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

35°F

2°C

Humidity 31%
Wind Speed W 13 G 20 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 17 Mar 8:56 pm EDT
Extended Forecast for

3 Miles SSW Niantic CT

  • Tonight

    Tonight: Mostly clear, with a low around 24. Wind chill values between 15 and 20. Northwest wind 13 to 18 mph, with gusts as high as 29 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Wind chill values between 15 and 25. Northwest wind around 6 mph becoming light and variable.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. Light south wind.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 42. Calm wind becoming south 5 to 7 mph in the morning.

    High: 42 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31. Light south wind.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain. Partly sunny, with a high near 49.

    High: 49 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 24. Wind chill values between 15 and 20. Northwest wind 13 to 18 mph, with gusts as high as 29 mph.
Wednesday
Mostly sunny, with a high near 38. Wind chill values between 15 and 25. Northwest wind around 6 mph becoming light and variable.
Wednesday Night
Mostly clear, with a low around 26. Light south wind.
Thursday
Sunny, with a high near 42. Calm wind becoming south 5 to 7 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 31. Light south wind.
Friday
Partly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 34.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 49.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 36.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 50.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Monday
A 30 percent chance of snow. Sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Niantic CT
 41.29°N 72.21°W (Elev. 3 ft)
Last Update:
7:30 pm EDT Mar 17, 2026
Forecast Valid:
9pm EDT Mar 17, 2026-6pm EDT Mar 24, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation