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

28°F

-2°C

Humidity 21%
Wind Speed NW 13 mph
Barometer 30.22 in (1023.4 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 8 Dec 1:56 pm EST
Extended Forecast for

Niantic CT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 30. Wind chill values between 15 and 20. North wind around 10 mph, with gusts as high as 20 mph.

    High: 30 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 14. North wind 3 to 6 mph.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 38. Wind chill values between 15 and 25. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 38 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 1am. Mostly cloudy, with a temperature rising to around 37 by midnight. Southwest wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 33 °F⇑

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 49. Southwest wind 9 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Slight Chance
    Rain then
    Rain Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 30. Wind chill values between 15 and 20. North wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 14. North wind 3 to 6 mph.
Tuesday
Increasing clouds, with a high near 38. Wind chill values between 15 and 25. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A chance of rain and snow before 1am. Mostly cloudy, with a temperature rising to around 37 by midnight. Southwest wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 49. Southwest wind 9 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 50 percent chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 37.
Friday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 25.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 33.
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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:
12:50 pm EST Dec 8, 2025
Forecast Valid:
2pm EST Dec 8, 2025-6pm EST Dec 14, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation