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

45°F

7°C

Humidity 86%
Wind Speed S 7 mph
Barometer 30.03 in (1016.8 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 26 Mar 4:56 am EDT
Extended Forecast for

2 Miles NNE Niantic CT

  • Overnight

    Overnight: A 20 percent chance of rain. Cloudy, with a steady temperature around 44. South wind around 8 mph.

    Low: 44 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A slight chance of rain before 8am, then a chance of showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 58. Southwest wind 11 to 14 mph. Chance of precipitation is 30%.

    High: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 45. Southwest wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers before 2pm. Mostly cloudy, with a steady temperature around 48. North wind 7 to 9 mph.

    High: 48 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of rain before 11pm, then a slight chance of snow between 11pm and 2am. Mostly cloudy, with a low around 29. Light and variable wind becoming northeast around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain. Cloudy, with a steady temperature around 44. South wind around 8 mph.
Thursday
A slight chance of rain before 8am, then a chance of showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 58. Southwest wind 11 to 14 mph. Chance of precipitation is 30%.
Thursday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 45. Southwest wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 40 percent chance of showers before 2pm. Mostly cloudy, with a steady temperature around 48. North wind 7 to 9 mph.
Friday Night
A slight chance of rain before 11pm, then a slight chance of snow between 11pm and 2am. Mostly cloudy, with a low around 29. Light and variable wind becoming northeast around 5 mph after midnight. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Mostly cloudy, with a high near 53.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 54.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Niantic CT
 41.36°N 72.2°W (Elev. 200 ft)
Last Update:
5:42 am EDT Mar 26, 2026
Forecast Valid:
5am EDT Mar 26, 2026-6pm EDT Apr 1, 2026
 
Forecast Discussion
 
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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