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

47°F

8°C

Humidity 37%
Wind Speed NE 6 mph
Barometer 30.53 in (1033.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 12 Apr 8:56 am EDT
Extended Forecast for

3 Miles SSW Niantic CT

  • Today

    Today: Increasing clouds, with a high near 52. Northeast wind 6 to 11 mph becoming south in the morning.

    High: 52 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 42. South wind 6 to 9 mph.

    Low: 42 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 62. Southwest wind 11 to 15 mph, with gusts as high as 26 mph.

    High: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 51. West wind 5 to 13 mph.

    Low: 51 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70. Light west wind becoming southwest 5 to 9 mph in the morning.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 52. Northeast wind 6 to 11 mph becoming south in the morning.
Tonight
A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 42. South wind 6 to 9 mph.
Monday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 62. Southwest wind 11 to 15 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 51. West wind 5 to 13 mph.
Tuesday
Mostly sunny, with a high near 70. Light west wind becoming southwest 5 to 9 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 73.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 64.
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Forecast Area
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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:
8:33 am EDT Apr 12, 2026
Forecast Valid:
9am EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
Forecast Discussion
 
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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