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

49°F

9°C

Humidity 77%
Wind Speed E 10 mph
Barometer 29.75 in (1007.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 12 Nov 3:56 am EST
Extended Forecast for

Niantic CT

  • Today

    Today: Rain, mainly after 10am. High near 59. East wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Slight Chance
    Rain then
    Rain

  • Tonight

    Tonight: Rain. Low around 36. Northeast wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain

  • Friday

    Friday: Rain. High near 48. North wind 11 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 31. North wind around 6 mph.

    Low: 31 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 49. Northwest wind 7 to 10 mph.

    High: 49 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Sunday Night

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

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Today
Rain, mainly after 10am. High near 59. East wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Low around 36. Northeast wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 48. North wind 11 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 31. North wind around 6 mph.
Saturday
Partly sunny, with a high near 49. Northwest wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Sunny, with a high near 58.
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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:
1:27 am EST Nov 12, 2026
Forecast Valid:
4am EST Nov 12, 2026-6pm EST Nov 18, 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