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

43°F

6°C

Humidity 53%
Wind Speed S 12 mph
Barometer 30.36 in (1028.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 25 Mar 1:56 pm EDT
Extended Forecast for

2 Miles SSW Niantic CT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 47. South wind around 7 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 38. South wind around 8 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of showers before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 54. Southwest wind 11 to 14 mph.

    High: 54 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 46. Southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, mainly before 8am. High near 51. North wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 47. South wind around 7 mph.
Tonight
Increasing clouds, with a low around 38. South wind around 8 mph.
Thursday
A 20 percent chance of showers before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 54. Southwest wind 11 to 14 mph.
Thursday Night
Showers, mainly after 2am. Low around 46. Southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, mainly before 8am. High near 51. North wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly cloudy, with a high near 50.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly cloudy, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Niantic CT
 41.29°N 72.21°W (Elev. 3 ft)
Last Update:
2:22 pm EDT Mar 25, 2026
Forecast Valid:
2pm EDT Mar 25, 2026-6pm EDT Mar 31, 2026
 
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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