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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Niantic CT

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 69. Northeast wind around 6 mph.

    Low: 69 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Northeast wind 8 to 10 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 61. East wind around 6 mph.

    Low: 61 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 70. East wind 7 to 11 mph.

    High: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 60. East wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 74.

    High: 74 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly cloudy, with a high near 77.

    High: 77 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 69. Northeast wind around 6 mph.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Northeast wind 8 to 10 mph. Chance of precipitation is 40%.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 61. East wind around 6 mph.
Friday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 70. East wind 7 to 11 mph.
Friday Night
A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 60. East wind 5 to 7 mph. Chance of precipitation is 40%.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 74.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Sunday
Mostly cloudy, with a high near 77.
Sunday Night
Mostly cloudy, with a low around 62.
Monday
Partly sunny, with a high near 79.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 67.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 83.
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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:
4:13 am EDT Jun 26, 2025
Forecast Valid:
5am EDT Jun 26, 2025-6pm EDT Jul 2, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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