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

38°F

3°C

Humidity 22%
Wind Speed N 7 G 20 mph
Barometer 30.39 in (1028.9 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 28 Mar 12:56 pm EDT
Extended Forecast for

Niantic CT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 42. Northwest wind around 10 mph, with gusts as high as 24 mph.

    High: 42 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. Northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 23 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 45. Light southwest wind increasing to 8 to 13 mph in the morning.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. Southwest wind 7 to 9 mph, with gusts as high as 22 mph.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 57. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 57 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain after 2pm. Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 42. Northwest wind around 10 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 26. Northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 23 mph.
Sunday
Mostly sunny, with a high near 45. Light southwest wind increasing to 8 to 13 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 37. Southwest wind 7 to 9 mph, with gusts as high as 22 mph.
Monday
Mostly cloudy, with a high near 57. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Monday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 43.
Tuesday
A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
A 50 percent chance of rain after 2pm. Mostly sunny, with a high near 64.
Wednesday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 49.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Friday
A chance of rain and snow. Cloudy, with a high near 44. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic CT
 41.34°N 72.2°W (Elev. 92 ft)
Last Update:
4:58 am EDT Mar 28, 2026
Forecast Valid:
1pm EDT Mar 28, 2026-6pm EDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation