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.

Overcast

46°F

8°C

Humidity 56%
Wind Speed S 14 mph
Barometer 29.55 in (1000.5 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 15 Nov 6:56 pm EST
Extended Forecast for

2 Miles ESE Niantic CT

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 1am, then showers likely between 1am and 4am. Temperature rising to around 55 by 3am. South wind 8 to 17 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F⇑

    Showers

  • Sunday

    Sunday: Partly sunny, with a temperature falling to around 47 by 5pm. Breezy, with a west wind 15 to 25 mph, with gusts as high as 37 mph.

    High: 56 °F⇓

    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. Wind chill values between 25 and 30. Windy, with a west wind 22 to 28 mph.

    Low: 34 °F

    Partly Cloudy
    and Windy

  • Monday

    Monday: Mostly sunny, with a high near 44. Wind chill values between 20 and 30. Breezy, with a west wind 21 to 24 mph.

    High: 44 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. Breezy, with a west wind 15 to 23 mph.

    Low: 36 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 1am, then showers likely between 1am and 4am. Temperature rising to around 55 by 3am. South wind 8 to 17 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Partly sunny, with a temperature falling to around 47 by 5pm. Breezy, with a west wind 15 to 25 mph, with gusts as high as 37 mph.
Sunday Night
Partly cloudy, with a low around 34. Wind chill values between 25 and 30. Windy, with a west wind 22 to 28 mph.
Monday
Mostly sunny, with a high near 44. Wind chill values between 20 and 30. Breezy, with a west wind 21 to 24 mph.
Monday Night
Mostly clear, with a low around 36. Breezy, with a west wind 15 to 23 mph.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 40.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 55.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 49.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Niantic CT
 41.31°N 72.18°W (Elev. 0 ft)
Last Update:
6:02 pm EST Nov 15, 2025
Forecast Valid:
7pm EST Nov 15, 2025-6pm EST Nov 22, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation